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Summary Assessment

Total questions: 130

Worksheet time: 2hrs 22mins

Name
Class
Date
1.

Work causes a change in

a)

Sweat

b)

Energy

c)

Calories

d)

Force

2.

Power is a _______ dependent quantity.

a)

Outlet

b)

Energy source

c)

Time

d)

Volume

3.
How much work is done in holding a 15 N sack of potatoes while waiting in line at the grocery store for 3 minutes?
a)
15 J
b)
45 J
c)
0 J
d)
5 J
4.
Which situation is work not done?
a)
lifting a 20 pound box off the floor
b)
holding a 20 pound box above the floor
c)
sliding a 20 pound box across the floor
d)
sliding a 20 pound box up an inclined plane
5.
What is the unit of measurement for power?
a)
Joules
b)
Watts
c)
Voltage
d)
Calories
6.

Kinetic energy is associated with ---.

a)

speed

b)

position

c)

direction

d)

temperature

7.
Energy from a compressed spring would be an example of...
a)
kinetic
b)
elastic
c)
gravitational
d)
chemical
8.
How do you calculate power?
a)
P = W/t
b)
P = E/t
c)
P = w * t
d)
P = bbq/chicken
9.
What is the formula for Kinetic Energy?
a)
PE = m*g*h
b)
KE = 1/2m*v2
c)
W = F*d
d)
P = W/t
10.

Where is the kinetic energy of pendulum at its highest?

a)

at the top of the swing

b)

at the bottom of the swing

c)

at 1/4 of the swing

d)

at 3/4 of the swing

11.

Where does the pendulum have the least amount of potential energy?

a)

A

b)

B

c)

C

d)

D

e)

E

12.

Where is kinetic energy at its maximum?

a)

a

b)

b

c)

c

d)

d

13.

A man of mass 50 kg jumps to a height of 1 m. His potential energy at the highest point is(g = 10 m/s2)

a)

(a) 500 J

b)

(b) 50 J

c)

(c) 5 J

d)

(d) 5000 J

14.

A man of mass 50 kg jumps to a height of 1 m. His potential energy at the highest point is(g = 10 m/s2)

a)

(a) 500 J

b)

(b) 50 J

c)

(c) 5 J

d)

(d) 5000 J

15.

what is defined as the product of the magnitudes of displacement and the

component of the force parallel to the displacement ?

a)

work

b)

energy

c)

momentum

d)

power

16.

When an object is carried at a constant

velocity by a force,

a)

no work is done on the

object.

b)

the work done is maximum on the

object.

c)

the work is done minimum on the

object.

d)

the work done is 100 % on the

object.

17.

Work is done when the force applied on the object causes it to move in the (a)   of the force.

18.

A man holds a stack of boxes. Is he doing any work?

a)

Yes.

b)

No.

19.

A man pushes against the wall. Did he do any work?

a)

Yes.

b)

No.

20.

An object that is moving has (a)   energy.

21.

Any object that is above the ground has (a)   potential energy.

22.

A strectched rubber band has (a)   potential energy.

23.

Batteries, food, fossil fuel all contain (a)   potential energy.

24.

Your mobile phone runs on (a)   energy.

25.

A flashlight produces (a)   energy.

26.

Between two objects of simlar dimensions and made from the same material, the object with the higher temperature has more (a)   energy.

27.

State the Principle of Conservation of Energy.

4 lines
28.
 Work done = Force x _________
a)
a. distance
b)
b. acceleration
c)
c. velocity
d)
d. speed
29.
The unit used to measure work is the 
a)
Watt
b)
Newton
c)
Joule
d)
meter
30.
A force exerted over a distance to move an object is ______________________.
a)
power
b)
work
c)
momentum
d)
Watt
31.
The unit used to measure power is the 
a)
Watt
b)
Newton
c)
Joule
d)
Newton*meter
32.
A 5000N block is lifted 10 m. How much work was done?
a)
50000 J
b)
5000 J
c)
500 J
d)
50 J
33.
W=125 J
d=10 m
F=???
a)
12.5 N
b)
1250 N
c)
0.08 N
d)
135 N
34.

If 150 Joules of work is needed to move a box 10 meters, what force was used?

a)

1500 N

b)

15 N

c)

1.5 N

d)

150 N

35.
P=25 watts 
W=5000 Joules 
t=???
a)
200 sec
b)
0.0005 s
c)
125000 s
d)
125 s
36.
What is work?
a)
the amount of energy 
b)
the transfer of force over a distance
c)
rate of work in a given time
d)
the change in distance in a given time
37.

What is the equation for work?

a)

W = mass x acceleration

b)

W = force x distance

c)

W = force / distance

d)

W = speed / time

38.
What is the equation for power?
a)
P = Work/time
b)
P = Force/time
c)
P = time/distance
d)
P = Work * time
39.
What is power?
a)
transfer a force through a distance
b)
the rate of speed 
c)
the rate of work being done
d)
transfer of space over time
40.
What is the unit of measurement for Power?
a)
Joules
b)
Newtons
c)
Watts
d)
Meters
41.
What is energy?
a)
Force applied over a distamce
b)
How much work is done.
c)
Ability to do work
42.
If a group of workers can apply a force of 1,000 Newtons to move a crate 20 meters, what amount of work will they have accomplished?
a)
20,000 J
b)
200 J
c)
2,000 J
d)
20 J
43.
If 68 W of power is produced in 18 seconds, how much work is done?
a)
1,224 J
b)
0.264 J
c)
3.77 J
d)
12.24 J
44.
How much time is needed to produce 720 Joules of work if 90 watts of power is used? 
a)
0.125 s
b)
8 s
c)
64800 s
d)
80 s
45.
How much work is done in holding a 15 N sack of potatoes while waiting in line at the grocery store for 3 minutes?
a)
15 J
b)
45 J
c)
0 J
d)
5 J
46.
How much work is produced when 350 N is used to move a car 5 m?
a)
70 J
b)
1750 J
c)
355 J
d)
175 J
47.
What is the definition for kinetic energy?
a)
the energy of motion (due to mass and velocity)
b)
stored energy due to position
c)
Energy at the top of a hill
48.

Which formula is this?

? = 12mv2?\ =\ \frac{1}{2}mv^2  

 

a)

Potential Energy

b)

Kinetic Energy

c)

Mechanical Energy

d)

Work

49.

Which formula is this?

? = F.d?\ =\ F.d  

 

a)

Potential Energy

b)

Kinetic Energy

c)

Mechanical Energy

d)

Work

50.

Which formula is this?

? = mgh +12mv2?\ =\ mgh\ +\frac{1}{2}mv^2  

 

a)

Potential Energy

b)

Kinetic Energy

c)

Mechanical Energy

d)

Work

51.

__________ is the rate at which work is done

a)

Power

b)

Energy

c)

Force

d)

Time

52.
Which situation is work not done?
a)
lifting a 20 pound box off the floor
b)
holding a 20 pound box above the floor
c)
sliding a 20 pound box across the floor
d)
sliding a 20 pound box up an inclined plane
53.

What type of energy is in this picture?

a)

Kinetic Energy

b)

Elastic Potential Energy

c)

Chemical Potential Energy

d)

No energy here

54.
A battery converts what type of energy to another?
a)
sound to kinetic
b)
light to heat
c)
mechanical to electrical
d)
chemical to electrical
55.
Energy that is stored in bonds between atoms is:
a)
Mechanical energy
b)
Chemical energy
c)
Kinetic energy
d)
Nuclear energy
56.

The SI Unit for Energy is

a)

Joule

b)

Newton

c)

Calorie

d)

Watt

57.
A kid applies a force of 70 N to a ball over 1.1 meters. How much work did he do on the ball? 
a)
77 J
b)
7.7 J 
c)
0.7 J 
d)
770 J 
58.
A weightlifter lifts two 300 newton weights 1.5 meters off the ground. How much work has he done?
a)
600 J 
b)
660 J
c)
900 J 
d)
1200 J 
59.
Which of these is a measure of force?
a)
100 newtons
b)
100 meters per second
c)
100 joules
d)
100 watts
60.
You move a 12-newton box up a 6-meter ramp. In order to find out how much power you created, what would you need to know?
a)
The mass of the box
b)
The slope of the ramp 
c)
The direction the box moved
d)
How long the task took
61.
You do 90 joules of work in 30 seconds. How much power have you generated?
a)
30 watts
b)
3 watts
c)
120 watts
d)
270 watts
62.
In which of these cases is work being done? 
a)
A student sleeps
b)
A student pushes a locked door that does not move
c)
a student carries his chair into another room
d)
A student sits on the carpet
63.
True or false: when the distance an object moves is zero the work done on the object is also zero.  
a)
True
b)
False
64.

What is an example of a force?

a)

Energy

b)

Power

c)

Pressure

d)

Weight

65.

what would 14J be an example of?

a)

work

b)

distance

c)

time

d)

force

66.

what would 1m be an example of?

a)

work

b)

power

c)

time

d)

distance

67.

At which point does the ball has the greatest gravitational potential energy (GPE)?

a)

A

b)

G

c)

D

d)

C

e)

G

68.

A skateboarder exerts a force of 120 N and travels 300m. How much work is done?

a)

36000 N

b)

36000 J

c)

2,5 N

d)

2,5 J

69.

What's the equation for work?

a)

Work: Distance x mass

b)

Work: Force x distance travelled

c)

Work: Force x mass

d)

Work: Force / distance travelled

70.

The unit for work is (a)  

71.

Which of these energy's are renewable?

a)

Solar energy

b)

Wind energy

c)

Nuclear energy

d)

Geo-thermal energy

72.

An object is moving along a straight path with 350 J of kinetic energy. A force acts on the object, in the direction it is moving, for a distance of 40 m. The kinetic energy of the object increases to 1050 J. What is the magnitude of the force?

(a)  

73.

Can energy be created?

a)

No

b)

Yes

74.

What's the unit for power?

(a)  

75.

What are the two necessary conditions for work to be done?

a)

Force and Velocity

b)

Force and Displacement

c)

Force and Time

76.

What is the unit for work?

a)

Joules

b)

Newton

c)

Watts

77.

Which of the given pictures shows that work can not done?

a)
b)
c)
78.

In comparing of table tennis ball and tennis ball, which ball covered a longer distance once it was placed in a slope?

a)

table tennis ball

b)

tennis ball

c)

same distance

79.

What are the factors affect gravitational potential energy?

a)

Mass and Velocity

b)

Mass, Acceleration due to gravity, and Height

c)

Mass, Acceleration due to gravity and Time

80.

Which of the following illustration shows elastic potential energy?

a)
b)
c)
81.

Which of the following statements show kinetic energy?

a)

The battery of a lit flashlight

b)

A golf ball placed at the edge of the hole

c)

A river flowing down a hill

82.

When did an object have more kinetic energy?

a)

When the time given on an object doubled

b)

When the mass of an object doubled

c)

When the mass of an object becomes half

83.

What are the factors that can affect the power?

a)

Work done and time

b)

Work done and velocity

c)

Work done and force

84.

What will be the formula if we are finding the TIME using the formula of power?

a)

Time = work donepowerTime\ =\ \frac{work\ done}{power}

b)

Time = powerwork doneTime\ =\ \frac{power}{work\ done}

c)

Time = work x powerTime\ =\ work\ x\ power

85.

A soccer player kicks a ball with 20 Newtons of force causing it to travel 100 meters. How much work is done on the ball?

a)

200 J

b)

80 J

c)

5 J

d)

2000 J

86.

A worker climbs a ladder and does 8 J of work on a 2 N object. What is the distance they lift the object?

a)

18 m

b)

4 m

c)

10 m

d)

6 m

87.

Where is the kinetic energy of pendulum at its highest?

a)

at the top of the swing

b)

at the bottom of the swing

c)

at 1/4 of the swing

d)

at 3/4 of the swing

88.

At which point of this roller coaster is the energy 1/2 kinetic and 1/2 potential?

a)

A

b)

B

c)

C

d)

D

89.

Two workers use 100 N of force to move a sofa 2 meters in 2 seconds. How much power is required?

a)

100 watts

b)

400 watts

c)

104 watts

d)

50 watts

90.
How much work is being done with 200 N of force over 426 meters?
a)
85,200 J
b)
45,620 J
c)
90,480 J
d)
62,329 J
91.

The SI unit for power is...?

a)

Watts

b)

Joules

c)

Newtons

d)

Metres

92.
The faster an object moves, the ________ kinetic energy it has. 
a)
more
b)
less
c)
none of the above
d)
all of the above 
93.
What is the formula for calculating the total amount of mechanical energy?
a)
ME = KE + PE
b)
KE = ME + PE
c)
PE = KE + ME
d)
ME = 1/2 mv2
94.
What is the energy of position or shape that depends on weight and height, also called stored energy?
a)
Energy
b)
Kinetic energy
c)
Potential energy
d)
Sound energy
95.

Suppose a cart has a kinetic energy of 0.5 J. If you add enough mass to double the mass and make the cart go three times as fast, its kinetic energy is now ---.

a)

6 J

b)

3 J

c)

18 J

d)

9 J

96.

Two equal mass marbles are at the top of a ramp. One marble falls to the ground off the back while the other rolls down the ramp. What is true about the marbles when they reach the ground?

a)

The marble that rolled down the ramp is moving faster than the marble that fell.

b)

The marble that fell down the back of the ramp is moving faster than the marble that rolled.

c)

The marble that rolled down the ramp is not moving when it reaches the ground.

d)

The two marbles are moving with the same speed.

97.

A block starts at rest at point P at the top of a ramp which is height h above the ground. The block slides down one side and up the other, stopping at a point less than h above the ground.

a)

The block did not go as high on the other side because gravity pulls down.

b)

The block did not go as high on the other side because potential energy always has to decrease.

c)

The block did not go as high on the other side because work from friction made the mechanical energy less.

d)

The situation as described is impossible to happen.

98.

If there is no friction on this track, at which point would the coaster have the most kinetic energy?

a)

A

b)

B

c)

C

d)

D

99.

What effect do external forces like an applied force, friction force, or drag force have?

a)

They have no effect on a system's mechanical energy.

b)

They convert kinetic energy into potential energy.

c)

They convert potential energy into kinetic energy.

d)

They convert between mechanical energy and other forms of energy to change the total mechanical energy of the system.

100.

How does conservation of energy explain why something that is falling should speed up?

a)

It gains kinetic energy because it gains potential energy.

b)

It loses kinetic energy because no work was done on it.

c)

It gains kinetic energy because it loses potential energy.

d)

It loses kinetic energy because the Earth gains potential energy.

101.
Identify the hypotenuse.
a)
x
b)
z
c)
w
102.
What is the length of x?
a)
5
b)
7
c)
8
d)
25
103.
What is the length of x?
a)
5.7
b)
10.6
c)
20
d)
400
104.
solve for c
a)
7
b)
9
c)
4
d)
13
105.
a)

11

b)

12

c)

9.8

d)

11.5

106.

What is the length of the monitor diagonally in two decimal places ?

a)

32.1

b)

32.10

c)

54.75

d)

47.2

107.

A 2.5m long ladder leans against the wall of a building. The base of the ladder is 1.5m away from the wall. What is the height of the wall?

a)

2 cm

b)

8 m

c)

2 m

d)

5 m

108.
Is this triangle a right triangle?
a)
yes
b)
no
109.

Find the missing side of this right angled triangle...

a)

16.1cm

b)

11.4cm

c)

16.2cm

d)

11.5cm

110.

Find the value of the missing side...

a)

16.1cm

b)

13.8cm

c)

13.7cm

d)

16.2cm

111.

Find the value of the missing side...

a)

5.4cm

b)

5.5cm

c)

11cm

d)

11.1cm

112.

Which of the following is a right-angled

triangle?

a)
b)
c)
d)
113.

What's the hypotenuse?

a)

9

b)

10.2

c)

5

114.

Calculate the length of b in this triangle.

a)

31

b)

36

c)

60

d)

62

115.

Determine the value of x.

a)

35

b)

20

c)

8

d)

12

116.

Find the missing side of this right angled triangle...

a)

4.1cm

b)

2.4cm

c)

2.5cm

d)

4.2cm

117.

a)

121.5km

b)

11km

c)

26.5km

d)

4.8km

118.

Find the length of x. Round your answer to 1dp

a)

12.4cm

b)

11.6cm

c)

3.9cm

119.

Calculate the perimeter of the triangle

a)

15.5cm

b)

17cm

c)

34.5cm

d)

40cm

120.

Find the length of x

a)

7.9cm

b)

4.8cm

c)

4.3cm

d)

3.8cm

121.

What type of triangles can we apply the Pythagorean theorem to?

a)

Equilateral

b)

Isosceles

c)

Equiangular

d)

Right

122.

The longest side of a triangle is called the _____.

a)

hypotenuse

b)

hippotenuss

c)

henry

d)

longsidenuse

123.

A right triangle has 2 shorter sides of 3 cm and 4 cm. How long is the hypotenuse?

a)

4 cm

b)

5 cm

c)

7 cm

d)

25 cm

124.

The Pythagorean Theorem is named after a Greek man called (a)   who lived about 570 to 495 BCE.

125.

Find the missing side.

a)

9

b)

6.40

c)

8.23

d)

5.63

126.

Find the missing side.

a)

8.26

b)

9.11

c)

8.5

d)

6.93

127.

Find the missing side.

a)

7.47

b)

8.52

c)

7.93

d)

2.22

128.

Is this triangle a right angled triangle?

a)

YES

b)

NO

c)

There is not enough information to work it out.

d)

Only on Tuesdays when the moon is full.

129.

Is this a right triangle?

a)

YES

b)

NO

c)

There is not enough information given.

d)

If your Mum says it is.

130.

My TV screen is 55 inches wide and 30 inches tall. What is its diagonal measurement, to the nearest inch?

a)

61 inches

b)

62 inches

c)

63 inches

d)

64 inches

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