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Worksheets

Physics MidTerm

Total questions: 205

Worksheet time: 4hrs 18mins

Name
Class
Date
1.

A resultant force of 4.0N acts on an object of mass 0.50 kg for 3.0 seconds.

What is the change in velocity caused by this force?

a)

4.0 m / s

b)

6.0 m / s

c)

12 m / s

d)

24 m / s

2.

Which property of an object cannot be changed by a force?

a)

mass

b)

motion

c)

shape

d)

size

3.

A ball is dropped from a table-top. Air resistance may be ignored.

Which row describes the velocity and the acceleration of the ball at point X

a)

acceleration = constant; velocity = constant

b)

acceleration = constant; velocity = increasing

c)

acceleration = increasing; velocity = constant

d)

acceleration = increasing; velocity = increasing

4.
What is the moment acting on the seesaw?
a)
1.6Nm
b)
15Nm
c)
16N
d)
4Nm
5.

When the velocity of the car is constant, the force of friction on it is

a)

zero

b)

greater than the driving force

c)

smaller than the driving force

d)

the same size as the driving force

6.

Which are the units for acceleration

a)

m/s

b)

m/s2

c)

s/m

d)

m/s3

7.

The cyclist accelerates at 1.4 m/s2.

The mass of the cyclist and bicycle is 60 kg.

Calculate the resultant force.

(a)  

8.
What is 'drag' another name for?
a)
dressing up
b)
air resistance
c)
friction
d)
weight
9.
Name two quantities that are vectors.
a)
force and speed
b)
speed and acceleration
c)
force and acceleration
d)
mass and weight
10.
What are balanced forces?
a)
forces of the same size, in opposite directions
b)
the same size in the same direction
c)
forces in opposite directions
d)
forces at right angles to each other
11.
What is the name for a single force on an object with the same effect as all the forces combined?
a)
big
b)
total
c)
resultant
d)
sum
12.
Is the car
a)
Stationary
b)
Moving at constant speed
c)
Accelerating
d)
Decelerating
13.
Is the car
a)
Stationary
b)
Moving at constant speed
c)
Accelerating
d)
Decelerating
14.
Is the car
a)
Stationary
b)
Moving at constant speed
c)
Accelerating
d)
Decelerating
15.
In a tug of war the left team pulls with a force of 200N. The right team pulls with a force of 150N.What is the resultant force?
a)
50N to the left.
b)
350N to the left.
c)
350N to the right.
d)
50N to the right.
16.

The unit of force is...

a)

m/s

b)

m

c)

N

d)

kg

17.

What is the resultant force?

a)

40 N, Left

b)

0 N, Balanced

c)

400 N, Right

d)

40 N, Right

18.

What is the resultant force?

a)

400 N, Up

b)

400 N, Down

c)

800 N, Up

d)

800 N, Down

19.

What is the resultant force?

a)

17 N, Left

b)

6N, Right

c)

11N , Left

d)

12N, Left

20.

What is the resultant force?

a)

40N, Left

b)

40N, Right

c)

0N, Balanced

d)

75N, Right

21.

The diagram shows a rectangular metal sheet close to two rulers. What is the area of the metal sheet?

a)

700 cm^2

b)

675 cm^2

c)

900 cm^2

d)

1125 cm^2

22.

The diagram shows a reading on an ammeter. What is the reading?

a)

0.45 A

b)

0.50 A

c)

4.5 A

d)

5.0 A

23.

The diagram shows the image of a clock in a plane mirror. Which is the actual time?

a)

04:15

b)

04:45

c)

07:15

d)

07:45

24.

A student uses a ruler to find the volume of water in a tank. She measures the lengths EF and FG.


What other length does she need to measure?

a)

FJ

b)

FK

c)

HI

d)

IJ

25.

A pendulum is set in motion and timed. The time measured for 20 complete swings is 30 s. What is the time for one complete swing of the pendulum?

a)

0.67 s

b)

0.75 s

c)

1.5 s

d)

3.0 s

26.

The diagrams show the scales of three ammeters. Which ammeters show the same current reading?

a)

all three ammeters

b)

ammeter 1 and ammeter 2 only

c)

ammeter 1 and ammeter 3 only

d)

ammeter 2 and ammeter 3 only

27.

Each of the following blocks is a different type of metal. Each block has a mass of 12 g.


Which metal has the largest density?

a)
b)
c)
d)
28.

A student measures the volume of a small irregularly-shaped stone.


Which apparatus must be used?

a)

a measuring cylinder containing water and a ruler only

b)

a measuring cylinder containing water only

c)

an empty measuring cylinder and a ruler only

d)

a ruler only

29.

A measuring cylinder contains 10 cm^3 of water. A piece of steel is lowered into the measuring cylinder until it is fully submerged. The volume reading increases to 12 cm^3.


A second piece of steel is lowered into the measuring cylinder so that it is also fully submerged. The volume reading increases to 15 cm^3.


Which row shows the volumes of the two pieces of steel?

a)

Volume of first piece: 2 cm^3;

Volume of second piece: 3 cm^3

b)

Volume of first piece: 2 cm^3;

Volume of second piece: 5 cm^3

c)

Volume of first piece: 12 cm^3;

Volume of second piece: 3 cm^3

d)

Volume of first piece: 12 cm^3;

Volume of second piece: 15 cm^3

30.

The graph shows how the speed of an object changes with time.


How far does the object travel in 10 seconds?

a)

8 m

b)

10 m

c)

40 m

d)

80 m

31.

A car travels at an average speed of 60 km/h for 15 minutes.


How far does the car travel in 15 minutes?

a)

4.0 km

b)

15 km

c)

240 km

d)

900 km

32.

The graph shows the motion of a car for a five-second period.


Which answer is correct?

a)

The car is at rest at: 0.0 s;

The car is moving at a constant speed at: 2.0 s

b)

The car is at rest at: 0.0 s;

The car is moving at a constant speed at: 4.0 s

c)

The car is at rest at: 4.0 s;

The car is moving at a constant speed at: 0.0 s

d)

The car is at rest at: 4.0 s;

The car is moving at a constant speed at: 2.0 s

33.

An object begins to fall close to the Earth's surface. Air resistance can be ignored. Which statement about the object's acceleration is correct?

a)

The acceleration is constant.

b)

The acceleration decreases as the body falls.

c)

The acceleration increases as the body falls.

d)

The acceleration is zero.

34.

The diagrams below are distance-time graphs for four bodies.


Which body is moving with an increasing speed?

a)
b)
c)
d)
35.

A runner runs 300 m at an average speed of 3.0 m/s. She then runs another 300 m at an average speed of 6.0 m/s.


What is her average speed for the total distance of 600 m?

a)

2.0 m/s

b)

4.0 m/s

c)

4.5 m/s

d)

8.0 m/s

36.

The graph shows how the speed of an object varies with time. At which point on the graph is the greatest distance travelled per second?

a)

A

b)

B

c)

C

d)

D

37.

An athlete runs at a speed of 8 m/s for 10 s, and then at a speed of 6 m/s for 12 s.


Which calculation gives the average speed of the athlete in m/s?

a)

8 + 62\frac{8\ +\ 6}{2}

b)

(8⋅10)+(6⋅12)22\frac{\left(8\cdot10\right)+\left(6\cdot12\right)}{22}

c)

(8 ÷ 10)+(6 ÷ 12)22\frac{\left(8\ \div\ 10\right)+\left(6\ \div\ 12\right)}{22}

d)

(10 ÷ 8)+(12÷6)22\frac{\left(10\ \div\ 8\right)+\left(12\div6\right)}{22}

38.

A girl goes for a ride on her bicycle.


The diagram shows how her speed changes with time for part of her journey.


In which labelled section is she moving with constant speed?

a)

A

b)

B

c)

C

d)

D

39.

A boy runs 400 m at an average speed of 4.0 m/s.


He runs the first 200 m in 40 s.


How long does he take to run the second 200 m?

a)

60 s

b)

66.7 s

c)

80 s

d)

140 s

40.

a)

The acceleration is not constant.

b)

The acceleration is negative.

c)

The speed is decreasing.

d)

The velocity is constant.

41.

Which statement about acceleration is correct?

a)

It is related to the changing speed of an object.

b)

It is the distance an object travels in one second.

c)

It is the force acting on an object divided by the distance it travels in one second.

d)

It is the force acting on an object when it is near to the Earth.

42.
a)

Athlete P won the race and was 0.70 s ahead of the athlete in second place.

b)

Athlete P won the race and was 1.90 s ahead of the athlete in second place.

c)

Athlete S won the race and was 1.30 s ahead of the athlete in second place.

d)

Athlete S won the race and was 2.10 s ahead of the athlete in second place.

43.

Which statement correctly describes the effects of placing a heavy load in a car?

a)

It is easier to accelerate the car and easier to bring the car to rest.

b)

It is easier to accelerate the car but more difficult to bring the car to rest.

c)

It is more difficult to accelerate the car and more difficult to bring the car to rest.

d)

It is more difficult to accelerate the car but easier to bring the car to rest.

44.

A mass of 6.0 kg rests on the surface of a planet. On this planet, g = 20 N/kg.


What is the weight of the object?

a)

0.30 N

b)

0.60 N

c)

60 N

d)

120 N

45.

A space probe is taken from the Earth to Mars. The force of gravity on the surface of Mars is less than the force of gravity on the surface of the Earth.


How do the weight and the mass of a space probe on the surface of Mars compare to their values when the probe is on the surface of the Earth?

a)

Mars Weight: decreased; Mars mass: decreased

b)

Mars Weight: decreased; Mars mass: unchanged

c)

Mars Weight: unchanged; Mars mass: decreased

d)

Mars Weight: unchanged; Mars mass: unchanged

46.

A satellite orbits the Earth at constant speed in circular orbit. Which statement is correct?

a)

The resultant force on the satellite is zero.

b)

The resultant force on the satellite is towards the Earth.

c)

The resultant force on the satellite is away from the Earth.

d)

The resultant force on the satellite is in the direction of motion.

47.

Two forces P and Q act on an object. Which diagram shows the resultant of these two forces?

a)
b)
c)
d)
48.
a)

The acceleration of the ball decreases.

b)

The acceleration of the ball increases.

c)

The speed of the ball decreases.

d)

The gravitational force on the ball decreases.

49.

a)

The horizontal speed is greater on the Moon and the ball hits the floor 4.0 m in front of the spring.

b)

The horizontal speed is greater on the Moon and the ball hits the floor more than 4.0 m in front of the spring.

c)

The horizontal speed is the same on the Moon and the ball hits the floor 4.0 m in front of the spring.

d)

The horizontal speed is the same on the Moon and the ball hits the floor more than 4.0 m in front of the spring.

50.

Which choice describes speed and velocity?

a)

Speed: scalar | Velocity: scalar

b)

Speed: scalar | Velocity: vector

c)

Speed: vector | Velocity: scalar

d)

Speed: vector | Velocity: vector

51.

Four balls with different masses are dropped from the heights shown. Air resistance may be ignored. Which ball has the smallest average speed?

a)
b)
c)
d)
52.

An object of mass 2.0 kg is taken from the Earth, where the gravitational field strength is 10 N/kg, to the Moon, where the gravitational field strength is 1.6 N/kg.


Which row is correct?

a)

Earth weight: 0.20 N | Moon weight: 0.80 N

b)

Earth weight: 0.20 N | Moon weight: 3.2 N

c)

Earth weight: 20 N | Moon weight: 0.80 N

d)

Earth weight: 20 N | Moon weight: 3.2 N

53.

What is the best description of the meaning of the 'mass' of an object?

a)

the space occupied by the object

b)

the force that gravity exerts on the object

c)

the resistance of the object to changes in motion

d)

the closeness of packing of the molecules in the object

54.

A ball is thrown vertically upwards through the air. Air resistance acts on the ball. Which graph shows how its speed varies with time?

a)
b)
c)
d)
55.

An object is on the surface of the Earth. Which statement describes the weight of the object?

a)

the quantity of material that the object contains

b)

the quantity of space that the object takes up

c)

the gravitational force acting on the object

d)

the object's resistance to a change in its motion

56.

The gravitational field strength on the Earth is greater than the gravitational field strength on the Moon. The Earth has an atmosphere, but the Moon does not.


Which speed-time graph represents the motion of a light ball dropped from a great height near the surface of the Earth and near the surface of the Moon?

a)
b)
c)
d)
57.
a)

Force: decreases | Acceleration: decreases

b)

Force: decreases | Acceleration: increases

c)

Force: increases | Acceleration: decreases

d)

Force: increases | Acceleration: increases

58.
a)

6 cm

b)

10 cm

c)

26 cm

d)

30 cm

59.
a)

P + Q = R

b)

P + R = Q

c)

P = Q = R

d)

P = Q + R

60.
a)

0.53 m

b)

1.1 m

c)

1.9 m

d)

2.5 m

61.
a)

P equals Q

b)

P is less than Q

c)

(P x a) is equal to (Q x b)

d)

(P x a) is greater than (Q x (a + b))

62.

Which statement gives a complete description of any object that is in equilibrium?

a)

There are no forces acting.

b)

There is no resultant force.

c)

There is no resultant force and no resultant turning effect.

d)

There is no resultant turning effect.

63.

What is the unit of the moment of a force?

a)

N

b)

N/kg

c)

N/m

d)

Nm

64.
a)

80 N

b)

100 N

c)

180 N

d)

225 N

65.
a)

0.67 N

b)

4.0 N

c)

6.0 N

d)

9.0 N

66.
a)

W/2

b)

W

c)

3W/2

d)

2W

67.

What is the correct equation for acceleration

a)

a = (v - u) / t

b)

a = d / t

c)

a = f x m

68.

What is the correct equation linking force mass and acceleration

a)

F = ma

b)

m = Fa

c)

a = Fm

69.

What is the correct equation linking density mass and volume

a)

d = m / v

b)

d = m x v

c)

d = v / m

70.

What is the correct equation for gravitational potential energy

a)

m x g x h

b)

m x g / h

c)

m x h / g

71.

What is the correct equation for kinetic energy

a)

1/2 x m x v2

b)

m x v2

c)

1 / 2 x v x m2

72.

What is the correct equation for basic pressure 

a)

p = F / A

b)

p =  F x A

c)

p = A / F

73.

The units of frequency are...

a)

metres

b)

seconds

c)

Hertz

d)

degrees

74.

Light is an example of a transverse wave

a)

True

b)

False

75.

Sound is an example of a transverse wave

a)

True

b)

False

76.

Which of the following statements describes the period of a wave?

a)

Number of waves per second

b)

Distance from crest to crest

c)

Distance from resting position to top of the wave

d)

Time taken to produce one wave

77.

A microwave has a frequency of 300MHz. What is the wavelength of these waves?

a)

1000 m

b)

100 m

c)

10 m

d)

1 m

78.

The period of a wave is 0.1 s. What is the frequency of this wave?

a)

0.1 Hz

b)

1 Hz

c)

10 Hz

d)

100 Hz

79.

The following image demonstrates...

a)

Reflection

b)

Refraction

c)

Interference

d)

Diffraction

80.

20 waves pass a point in 5 s. How is the frequency of these waves?

a)

100 Hz

b)

20 Hz

c)

5 Hz

d)

4 Hz

81.

All waves can be reflected and refracted.

a)

True

b)

False

82.

select two correct answers that show:

Average speed?

a)

s = d/t

b)

v = s/t

c)

speed = distance/time

d)

velocity = speed/time

83.

Acceleration?

a)

a = (v-u)/t

b)

d = s/t

c)

v = s/t

d)

F= m/a

84.

v = Δϰ/Δt?

a)

average speed

b)

force needed

c)

average velocity

d)

acceleration

85.

Which formulae shows the rate in change of mometum?

a)

F= mxa

b)

F= mxv - mxu / t

c)

F= mxg

d)

F= Fxχ

86.

Formula for Power?

a)

ΔE = Fxd

b)

KE = 1/2mxv2

c)

W = ΔE/t

d)

GPE = mxgxh

87.

ΔE = Fxd?

a)

work = force x distance

b)

Power = Work/ time

c)

Pressure = height x density x gravity

d)

Kinetic energy = 1/2 mass x velocity²

88.

Which is the correct formula for energy efficiency?

a)

Efficiency = total input energy / useful energy output x 100

b)

Efficiency = total input energy / useful energy output / 100

c)

Efficiency = total input energy / useful energy output / 100

d)

Efficiency = useful energy output / total input energy. x100

89.

Select the two that show the relationship between wave speed, frequency and wavelength

a)

c = f x λ

b)

Wave speed = frequency x wavelength

c)

Wave speed = frequency / wavelength

d)

c = f / λ

90.

What does the relationship between mass, gravity and height show?

a)

Resistance in a circuit

b)

Current in a circuit

c)

Gravitational Potential Energy

d)

Extension of a spring

91.

What is the unit of Work?

a)

Newtons

b)

Joules

c)

Metres

d)

Kg

92.

What is the relationship between moment, force and distance? SELECT TWO CORRECT ANSWERS

a)

M = F x d

b)

M = F / d

c)

d = M x F

d)

F = M/d

93.
a)

A

b)

B

c)

C

d)

D

94.
a)

A

b)

B

c)

C

d)

D

95.
a)

A

b)

B

c)

C

d)

D

96.
a)

A

b)

B

c)

C

d)

D

97.
a)

A

b)

B

c)

C

d)

D

98.
a)

A

b)

B

c)

C

d)

D

99.
a)

A

b)

B

c)

C

d)

D

100.
a)

A

b)

B

c)

C

d)

D

101.
a)

A

b)

B

c)

C

d)

D

102.
a)

A

b)

B

c)

C

d)

D

103.
a)

A

b)

B

c)

C

d)

D

104.
a)

A

b)

B

c)

C

d)

D

105.

What is the definition for the word amplitude?

a)

The number of complete waves that pass per second

b)

The distance from the peak of one wave to the peak of an adjacent wave.

c)

The distance from the equilibrium position of a peak plus the same distance from a trough.

d)

The maximum distance from the equilibrium position of any point on a wave

106.

what is the name given to the effect that allows wavefronts to reach point X, shown in the diagram?

(a)  

107.

Which 2 points on the wave are exactly one wavelength apart?

a)

P and S

b)

Q and R

c)

Q and S

d)

P and R

108.

Water waves travel from deeper water to more shallow water. This causes them to refract.


Which property always remains the same when refraction occurs?

a)

Wavelength

b)

Frequency

c)

Amplitude

d)

Speed

109.
a)

A

b)

B

c)

C

d)

D

110.

What is the unit for wavelength?

(a)  

111.

What is the unit for frequency?

(a)  

112.

What is the unit for velocity?

(a)  

113.

Sound waves travel at a speed of 1500m/s through a substance. Their wavelength is 5.0 cm. What is their frequency?

(a)  

114.
a)

It doubles

b)

It halves

c)

It remains the same

d)

It becomes four times as large

115.

a)

The speed of wave increases.

b)

The speed of wave decreases.

c)

The frequency increases.

d)

The frequency decreases.

116.

a)

Decrease the speed of waves (but keep the wavelength the same).

b)

Increase the speed of the waves (but keep the wavelength the same).

c)

Make the gap smaller

d)

Make the gap bigger

117.

What is a frequency?

a)

the number of wave crests passing a point in one second.

b)

the numbers of waves in total.

c)

the height of the waves times each second.

d)

the speed of waves over time.

118.

Velocity = (a)   x lambda

119.

What is the wavelength?

a)

The distance from one wave peak to another

b)

number of wave crests passing a point in one second

c)

the height of the wave peak

d)

the energy that the waves carry

120.

Sound waves are (a)   waves

121.

light waves are (a)   waves

122.

the vibrations of longitudinal waves are (a)   to the direction in which the waves are travelling.

123.

the vibrations of transverse waves are (a)   to the direction in which the waves are travelling.

124.

what is the arrow pointing to?

a)

compression

b)

rarefaction

125.

when plane waves reflect from a straight barrier, the angle of each reflected wave is (a)   to the angle of each incident wave to the barrier.

126.

Diffracted waves spread out ______ if the gap is wider.

a)

more

b)

less

c)

the same

127.

The narrower the gap, the ____ the diffracted waves are spread out.

a)

more

b)

less

128.

The word diffraction means...

a)

dispersing of waves

b)

reflecting of waves

c)

refraction of waves

d)

spreading of waves

129.

What is the efficiency of a solar cell if 1000 J of solar energy hits the cell and 200 J are converted into electrical energy?

a)

10%

b)

20%

c)

30%

d)

40%

130.

What is electrical energy converted into when a drill is used?

a)

Kinetic energy

b)

Sound

c)

Heat

d)

All of the above

131.

What is the correct equation for gravitational potential energy

a)

m x g x h

b)

m x g / h

c)

m x h / g

132.

What is the correct equation for kinetic energy

a)

1/2 x m x v2

b)

m x v2

c)

1 / 2 x v x m2

133.

What is energy?

a)

moving energy

b)

stored energy

c)

renewable energy

d)

The ability to do work.

134.

What is potential energy?

a)

moving energy

b)

stored energy

c)

renewable energy

d)

non renewable energy

135.

What is kinetic energy?

a)

moving energy

b)

potential energy

c)

stored energy

d)

renewable energy

136.
a)

A

b)

B

c)

C

d)

D

137.
a)

A

b)

B

c)

C

d)

D

138.
a)

A

b)

B

c)

C

d)

D

139.
a)

A

b)

B

c)

C

d)

D

140.
a)

A

b)

B

c)

C

d)

D

141.

Electricity can be obtained from different energy resources. Which energy resource is used to obtain electricity without producing heat to boil water?

a)

coal

b)

geothermal

c)

hydroelectric

d)

nuclear

142.

What is designed to change electrical energy into kinetic energy?

a)

A. capacitor

b)

B. generator

c)

C. motor

d)

D. transformer

143.

A power station uses nuclear fission to obtain energy. In this process, nuclear energy is first changed into

a)

A. Chemical energy.

b)

B. Electrical energy.

c)

C. Gravitational energy.

d)

D. Internal energy.

144.

Which of the following statements defines work done correctly?

a)

A) Work done is the energy expended by an object.

b)

B) Work done is the force applied to an object.

c)

C) Work done is the displacement of an object.

d)

D) Work done is the transfer of energy from one object to another.

145.

Which of the following factors affects the amount of work done on an object?

a)

A) Time taken to complete the work.

b)

B) Force applied to the object.

c)

C) Initial velocity of the object.

d)

D) Mass of the object.

146.

In physics, work done is measured in:

a)

A) Newton (N).

b)

B) Meter per second squared (m/s^2).

c)

C) Joule (J).

d)

D) Watt (W).

147.

Which of the following situations involves zero work done?

a)

A) Lifting a book off the ground.

b)

B) Pushing a heavy box horizontally across a room.

c)

C) Holding a weight stationary above your head.

d)

D) Running up a flight of stairs.

148.

A force of 20 N is applied to an object that moves a distance of 5 meters in the direction of the force. What is the work done on the object?

a)

A) 20 J

b)

B) 25 J

c)

C) 50 J

d)

D) 100 J

149.

A car exerts a constant force of 500 N to move a distance of 100 meters. What is the work done by the car?

a)

A) 50 J

b)

B) 500 J

c)

C) 5000 J

d)

D) 50 kJ

150.

A person lifts a box weighing 50 kg vertically upward by a distance of 2 meters. What is the work done on the box? (Take g = 10 m/s^2)

a)

A) 100 J

b)

B) 2 kJ

c)

C) 1 kJ

d)

D) 1000 kJ

151.

Which of the following statements defines power correctly?

a)

A) Power is the energy transferred per unit time.

b)

B) Power is the force applied to an object.

c)

C) Power is the rate at which work is done.

d)

D) Power is the product of force and distance.

152.

Which of the following units is used to measure power?

a)

A) Newton (N)

b)

B) Meter per second squared (m/s^2)

c)

C) Joule (J)

d)

D) Watt (W)

153.

If a machine does 500 Joules of work in 10 seconds, what is its power output?

a)

A) 5 W

b)

B) 50 W

c)

C) 100 W

d)

D) 500 W

154.

A motor exerts a force of 200 N to lift an object vertically upward a distance of 5 meters in 2 seconds. What is the power developed by the motor?

a)

A) 50 W

b)

B) 200 W

c)

C) 500 W

d)

D) 2,000 W

155.

How much energy is dissipated as thermal energy?

a)

A) 250 J

b)

B) 500 J

c)

C) 2000 J

d)

D) 2500 J

156.

Which of the following measuring tools is used to measure capacity?

a)
b)
c)
157.

-

a)

A

b)

B

c)

C

d)

D

158.

What unit of measurement is used in measuring weight?

a)

Kilogram and gram

b)

Liter and mililiter

c)

Meter and centimeter

159.

What unit of measurement is used in measuring length?

a)

Liter and milliliter

b)

Meter and centimeter

c)

Kilogram and gram

160.

What unit of measurement is used in measuring capacity?

a)

Kilogram and gram

b)

Meter and centimeter

c)

Liter and milliliter

161.
Which measurement would you use to measure the following?
the volume of a soda bottle
a)
centimeters
b)
liters
c)
kilograms
d)
grams
162.

how many liters is 1000 mL?

a)

1

b)

10

c)

100

d)

1000

163.

Choose ALL of the tools that you could use to measure weight.

a)
b)
c)
d)
164.

Choose the TWO tools that you could use to measure length.

a)
b)
c)
d)
165.
a)

A

b)

B

c)

C

d)

D

166.
a)

A

b)

B

c)

C

d)

D

167.
a)

A

b)

B

c)

C

d)

D

168.
a)

A

b)

B

c)

C

d)

D

169.

A student intends to measure accurately the diameter of a wire (known to be approximately 1 mm) and the internal diameter of a pipe (known to be approximately 2 cm).

What are the most appropriate instruments for the student to use to make these measurements [(i) wire, (ii) pipe]?

a)

(i) calipers, (ii) calipers

b)

(i) calipers, (ii) micrometer

c)

(i) micrometer, (ii) calipers

d)

(i) micrometer, (ii) micrometer

170.

What does this image measure

a)

volume

b)

mass

c)

length

d)

density

171.

Which of the following equation represent error in measurement?

a)

Error = Measured Value - True Value

b)

Error = 1 - True Value

c)

Error = True Value + Measured Value

d)

Error = 1 - Measured Value

172.

Which of the following shows a precise but not accurate data?

a)
b)
c)
d)
173.

Which of the following shows an accurate but not precise data

a)
b)
c)
d)
174.
Energy due to motion is ____________ energy. 
a)
Potential 
b)
Energy
c)
Kinetic
d)
Friction
175.

When you eat fruits and vegetables, the energy is stored as ...

a)

a. thermal energy

b)

b. food energy

c)

c. electrical energy

d)

d. chemical energy

176.

________ is when energy is transferred between areas that have different temperatures. 

a)

By radiation

b)

By heating

c)

Mechanically

d)

Nuclear

177.
a.  Energy stored in the nucleus of an atom.
a)
A. Sound Energy
b)
B. Potential Energy
c)
C. Nuclear Energy
d)
D. Thermal energy
178.

A stretched rubber band has energy in this energy store

a)

Magnetic

b)

Electrostatic

c)

Elastic

d)

Nuclear

179.

A ____ converts chemical energy into kinetic energy?

a)
b)
c)
d)
180.
a)

A

b)

B

c)

C

d)

D

181.

A tunnel has a length of 50 km. A car takes 20 min to travel between the two ends of the tunnel. What is the average speed of the car?

a)

2.5 km / h

b)

16.6 km / h

c)

150 km / h

d)

1000 km / h

182.
a)

pole 1 and pole 2.

b)

pole 2 and pole 3.

c)

pole 3 and pole 4.

d)

pole 4 and pole 5.

183.
a)

A

b)

B

c)

C

d)

D

184.

Which speed/ time graph applies to an object at rest?

a)

A

b)

B

c)

C

d)

D

185.
a)

A

b)

B

c)

C

d)

D

186.
Look at the diagram. Which point does the ball have the maximum potential energy?
a)
A
b)
B
c)
C
d)
D
187.
Look at the diagram. At which point does the ball have the maximum kinetic energy?
a)
B
b)
C
c)
D
d)
E
188.
A cell phone battery dies.  It gets plugged into an electrical outlet to recharge. Which of the following energy transformations occur during the charging?
a)
mechanical to chemical
b)
electrical to solar
c)
chemical to light
d)
chemical to electrical
189.
Tarzan is swinging through the jungle looking for Jane. He is constantly moving back and forth..his kinetic energy is being changed to 
a)
electrical
b)
chemical
c)
potenital
d)
nuclear
190.
Energy is the ability to do  ___________.
a)
Nothing
b)
Work
c)
Energy
d)
Change
191.
A car moving down the road is an example of
a)
Potential
b)
Kinetic
192.
The sun’s energy used by green plants to produce food is an example of light energy being converted to what other form of energy?
a)
kinetic energy
b)
heat energy
c)
mechanical energy
d)
chemical 
193.
Electrical Energy is transferred to _____ Energy.
a)
Thermal
b)
Solar
c)
Electrical
d)
None
194.

Which statement is correct

a)

Energy cannot be created or destroyed

b)

Energy can be destroyed but not created

c)

Energy is always created but never destroyed

d)

Energy cannot be created but never destroyed

195.
Calculate the PE of a 2 kg cat perched 10 meters above the ground. 
a)
20 J
b)
200 J
c)
2.04 J
d)
200 W
196.
Calculate the work needed to raise a 3 kg cat up to a height of
4 m.
a)
12 J
b)
0 J
c)
120 J
d)
1.22 J
197.
When my velocity triples, my kinetic energy increases by ______ times.
a)
9
b)
 3 
c)
1.5
d)
4.5
198.
Calculate the Kinetic Energy (KE) of a girl whose mass is 50 kg who is moving at 4 m/s.
a)
200 J
b)
800 J
c)
400 J
d)
100 J
199.
Belly-Flop Bernie dives from atop a tall flagpole into a swimming pool below. His potential energy at the top is 10,000J. What is his kinetic energy when his potential energy reduces to 9.7J?
a)
9.81J
b)
10,000J
c)
9.7J
d)
9,990.3J
200.
What is the work done when a 20-N force pushes a cart 3.5 m?
a)
70J
b)
6.8J
c)
23.5J
d)
17.5J
201.
As a pendulum swings from its highest to lowest position, what happens to its kinetic and potential energy? 
a)
Both the potential energy and kinetic energy decrease
b)
The potential energy decreases while the kinetic energy increases 
c)
The kinetic energy decreases while the potential energy increases 
d)
Bothe the potential energy and kinetic energy increase 
202.
While a boulder is on the top of a hill it has what type of energy? 
a)
Mechanical
b)
Kinetic
c)
Potential 
d)
Reactive 
203.

An arrow in a bow had 70J of PE. Assuming no loss of energy to heat, how much KE will it have after it has been shot?

a)

0J

b)

35J

c)

50J

d)

70J

204.

The formula for power is

a)

power = force × timepower\ =\ force\ \times\ time

b)

power = change energytimepower\ =\ \frac{change\ energy}{time}

c)

power = change speeddistan⁡cepower\ =\ \frac{change\ speed}{dis\tan ce}

d)

power = 12mv2power\ =\ \frac{1}{2}mv^2

205.

Unit for power is

a)

Watts (W)

b)

Joules

c)

Amperes

d)

voltage

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