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Physical Science

Total questions: 100

Worksheet time: 3hrs 21mins

Name
Class
Date
1.
Force = Mass x Acceleration
a)
Newton's 1st Law
b)
Newton's 2nd Law
c)
Newton's 3rd Law
d)
Newton's 4th Law
2.
"For every action, there is an equal and opposite reaction."
a)
Newton's 1st Law
b)
Newton's 2nd Law
c)
Newton's 3rd Law
d)
Newton's 4th Law
3.
"An object in motion (or at rest) will to stay in motion (or at rest) until an outside force acts upon it."
a)
Newton's 1st Law
b)
Newton's 2nd Law
c)
Newton's 3rd Law
d)
Newton's 4th Law
4.
The tendency of an object to resist changes in its motion is...
a)
inertia
b)
force
c)
acceleration
d)
velocity
5.

A force that opposes motion between objects that are touching is called...

a)

motion

b)

friction

c)

velocity

d)

acceleration

6.

Henry sees a basketball and decides to put in motion. What kind of force does Henry use to move the ball?

a)

small

b)

balanced

c)

equal

d)

unbalanced

7.

When there is an INCREASE in MASS of an object you will have a DECREASE in ______________.

a)

friction

b)

acceleration

c)

force

d)

gravity

8.

If a 20 kilogram object accelerates suddenly at 15 m/s2, how much force was applied to the object?

a)

150 Newtons

b)

300 Newtons

c)

150 kilograms

d)

100 kilograms

9.

A 20 kg bike accelerates at 5 m/s2.  what was the force?

a)
25 Newtons
b)

100 Newtons

c)
200 Newtons
d)
10 Newtons
10.
Unit of mass
a)
m/s 2
b)
m/s
c)
newtons
d)
kg
11.

A 5 kg block is pulled across a table by a net force of 30 N. Calculate the acceleration of the object.

a)

160 m/s2

b)

6.0 m/s2

c)

0.16 m/s2

12.

A 10 kg, 15 kg, and 20 kg rock are rolling down a hill. Which rock will require the most force to stop?

a)

10 kg rock

b)

15 kg rock

c)

20 kg rock

d)

All 3 rocks will require the same force

13.

Determine the accelerations that result when a 12-N net force is applied to a 3-kg object.

a)

3 m/s/s

b)

4 m/s

c)

26 m/s

d)

4 m/s/s

14.
What is the unit of measurement for force?
a)
AMP
b)
Seconds
c)
Newtons
d)
Miles
15.
As mass increases, what happens to gravitational force?
a)
increases
b)
decreases
c)
stays the same
d)
i don't know
16.

Gravity keeps the moon moving in its ___________ around Earth.

a)

orbit

b)

circle

c)

triangle

d)

dance

17.

The law of universal gravitation is credited to whom?

a)

Einstein

b)

Galileo

c)

Cavendish

d)

Newton

18.
If a bowling ball and a feather were dropped at the same time, in a room with no air resistance (vacuum), which object will hit the ground first?
a)
Bowling Ball
b)
Feather
c)
Both would hit at the same time
d)
Neither one would hit the ground because air is what pushing things down.
19.
A type of friction that occurs when air pushes against a moving object causing it to decelerate.
a)
surface area
b)
air resistance
c)
velocity
d)
gravity 
20.
What does friction produce?
a)
light
b)
sound
c)
heat
d)
gravity
21.
A baseball player bats a ball with a force of 1,000 N. The ball exerts a reaction force (without any additional forces action on it) against the bat of...
a)
Less than 1, 000 N
b)
1,000 N
c)
More than 1,000 N
22.
What is the reaction force to a foot pushing down on the floor?
a)
The foot going through the floor
b)
The floor pushing back against the foot
c)
The floor breaking to the foot
23.

What two variables effect momentum?

a)

mass

b)

weight

c)

height

d)

Velocity

24.

What is the equation for momementum?

a)

p=m×vp=m\times v

b)

p=m×ap=m\times a

c)

p=f÷ap=f\div a

d)

m=p×vm=p\times v

25.

The Law of Conservation of Momentum states:

a)

The total momentum before a collision is equal to the total momentum after a collision.

b)

The total momentum before a collision is greater than the total momentum after a collision.

c)

The total momentum before a collision is less than the total momentum after a collision.

d)

The total momentum before a collision is not related to the total momentum after a collision.

26.
Any push or pull on an object.
a)
force
b)
velocity 
c)
inertia
d)
momentum
27.
Determine the momentum of 1000-kg car moving southward at 20 m/s......... 
a)
20000 N
b)
20000 Joules
c)

20000 kg * m/s south

d)
10000 kg * m/s south
28.

The Law of Conservation of Momentum states:

a)

The total momentum before a collision is equal to the total momentum after a collision.

b)

The total momentum before a collision is greater than the total momentum after a collision.

c)

The total momentum before a collision is less than the total momentum after a collision.

d)

The total momentum before a collision is not related to the total momentum after a collision.

29.

What is the acceleration if the mass of the box is 2 kg?

a)

30 N

b)

2.5 m/s2

c)

10 m/s2

d)

8 m/s2

30.

An object is _____ if its position changes.

a)

in motion

b)

at reset

c)

a frame of reference

d)

magical

31.
The measure of how quickly something moves or the distance it moves in a given amount of time is called
a)
motion
b)
position
c)
speed
d)
location
32.

A car driving at 50 miles per hour drives for 3 hours. What distance did it cover?

a)
50 miles
b)

17.5 miles

c)

150 miles

d)
75 miles
33.
A truck driving at 60 miles per hour travels 150 miles. How long is it driving for?
a)
9000 hours
b)
0.4 hours
c)
210 hours
d)
2.5 hours
34.
What does this graph represent?
a)
Constant Speed
b)
Acceleration
c)
Not moving
35.
The speed of the vehicle between points A-B is...
a)
12m/s
b)
8m/s
c)
10m/s
d)
16m/s
36.

What is the speed of a runner who runs 400 meters in 50 seconds?

a)

10 meters/second

b)

40 meters/second

c)

20000 meters/second

d)

8 meters/second

37.

Michelle drove 300 miles in 6 hours. What was Michelle’s speed?

a)

30 miles per hour

b)

50 miles per hour

c)

60 miles per hour

d)

80 miles per hour

38.
Which graph shows an object increasing speed?
a)
A
b)
B
c)
D
d)
E
39.

The reading you get on your speedometer is what type of speed?

a)

Instantaneous Speed

b)

Average Speed

40.

What is the difference between Speed and Velocity?

a)

All of the above

b)

Speed is a measure of how fast

c)

Velocity is a measure of how fast and in what direction

d)

Speed is Scalar

e)

Velocity is a Vector

41.

Which statement distinguishes between Velocity and Acceleration?

a)

Only velocity is a Vector

b)

Acceleration is same as velocity

c)

Acceleration is a change in Velocity

d)

Only acceleration is Scalar

42.

How much velocity does a free falling object gain every second?

a)

9.8 m/s

b)

5 m/s

c)

10 m

d)

5 m

43.

If a car is on a racetrack and the starting line is the same as the finish line. The car travels around the track 5 times. What is its total displacement?

a)

1000 m

b)

100 m

c)

10 m

d)

0 m

44.

How can acceleration change?

a)

By changing speed

b)

By changing direction

c)

Both by changing speed and changing direction

d)

Neither by changing speed nor changing direction

45.

What is the acceleration of a car that goes from 40 m/s to 60 m/s in 4 seconds?

a)

2 m/s2

b)

4 m/s2

c)

5 m/s2

d)

20 m/s2

46.

What is potential energy?

a)

moving energy

b)

stored energy

c)

renewable energy

d)

non renewable energy

47.

What is kinetic energy?

a)

moving energy

b)

potential energy

c)

stored energy

d)

renewable energy

48.

Which of these things is an example of potential energy?

a)

a car motor

b)

firewood

c)

battery

d)

a fan

49.
The law of conservation of energy means ________________________
a)
Energy CAN be created and destroyed or transformed
b)
Energy can be used up or transformed
c)
Energy CANNOT be created or destroyed, only transformed
d)
Energy cannot be transformed
50.

Gravitational potential energy depends on the strength of gravity, ________ and ________ of the object.

a)

height and mass

b)

friction and movement

c)

mass and movement

d)

height and friction

51.

The unit for Energy is

a)

Joule

b)

Potential

c)

Calorie

d)

Kilojoule

52.

What is the formula for Kinetic Energy?

a)

KE = mass x velocity

b)

KE= 1/2 x mass x velocity 2

c)

KE = mass x gravity x height

d)

KE = mass x velocity / 2

53.
At which point(s) on the roller coaster is the kinetic energy at its maximum?
a)
A
b)
B
c)
C
d)
D
54.
What type of energy is in this picture?
a)
Kinetic
b)
Elastic Potential
c)
Chemical
d)
Gravitational Potential 
55.
When plants convert the sun's energy into food, which type of energy is it?
a)
kinetic
b)
chemical
c)
thermal
d)
radiant
56.
What kind of energy is represented in this picture?
a)
Thermal
b)
Potential
c)
Nuclear
d)
Mechanical
57.
Which object changes chemical energy into heat, light and sound energy
a)
blender
b)
firecracker
c)
lightbulb
d)
apple
58.
This type of potential energy depends on an object's height and mass
a)
gravitational potential energy
b)
kinetic potential energy
c)
elastic potential energy
d)
nuclear potential energy
59.
Light given off by the Sun is an example of...
a)
mechanical energy
b)
chemical energy
c)
radiant energy
d)
thermal energy
60.
Gasoline burning to allow a car engine to run is an example of...
a)
mechanical energy
b)
chemical energy
c)
radiant energy
d)
thermal energy
61.

Evaluate the following statement about heat: Heat is released in all energy conversion processes as a byproduct.

a)

A) True.

b)

B) False, heat is never released as a byproduct.

c)

C) False, heat is released as a byproduct only in a few energy conversion processes.

d)

D) False, heat is released in most but not all energy conversion processes.

62.

What is the definition of energy?

a)

A) The capacity to do work

b)

B) The movement of an object

c)

C) Particles moving in waves through a system

d)

D) The amount of order in a system

63.

Water behind a dam has a certain amount of stored energy that can be released as the water falls over the top of the dam. This energy may be enough to turn a mill wheel or an electricity-generating turbine. Choose the term that best describes the type of energy stored in the water at the top of the dam.

a)

A) Chemical

b)

B) Potential

c)

C) Radiant

d)

D) Kinetic

64.
True or false
You do work only when you exert a force on an object and move it
a)
true
b)
false
65.
Two factors that determine work are
a)
size of the force, and distance
b)
size of the force, and type of force
c)
mass, and distance
66.
units for work are
a)
netwons
b)
joules
c)
meters
d)
seconds
67.

if you push a cart with a force of 60 N for 3 m... how much work have you done

a)

180 J

b)

20 J

c)

180 N 

d)

20 N

68.
work transfers
a)
sweat
b)
energy
c)
velocity
d)
effort
69.
The unit used to measure power is the 
a)
Watt
b)
Newton
c)
Joule
d)
Newton*meter
70.

Which of the following is the best example of work being done.

a)

doing homework

b)

lifting a box

c)

pushing a stationary box

d)

holding a box

71.
Force is a _____ or _______
a)
simple    complex
b)
push     pull
c)
up      down
d)
in      out
72.

A weightlifter lifts a 300 newton weight 2 meters off the ground. How much work has he done?

a)
600 J 
b)
660 J
c)
900 J 
d)
1200 J 
73.
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
74.
What is the formula for work?
a)
Force = work x distance
b)
Distance = force x work
c)
Work = force x distance
d)
Work = force x mass
75.

The equation for POWER is

a)

power = mass x time

b)

power = work / time

c)

power = time / work

d)

power = work x time

76.

What is the relationship between Power and Work?

a)

Power is the rate which Work is done

b)

Work is not related to Power

c)

Power is the result of work times the time it takes to complete it

77.

Assume you walked up 10 flights of stairs instead of 1 flight (equal time per flight), but at the same exact rate as all of the other flights of stairs. What would happen to the work you did?

a)

Work would go up because force went up

b)

Work would go up because distance went up

c)

Work would go down because force went down

d)

Work would not change because although distance went up so did time

78.

Assume you walked up 10 flights of stairs instead of 1 flight (equal time per flight), but at the same exact rate as all of the other flights of stairs. What would happen to your power output?

a)

Power would go up because Work went up

b)

Power would go up because distance went up

c)

Power would go down because force went down

d)

Power would not change because although distance went up so did time

79.

Which is not a condition to do work?

a)

a force must be exerted.

b)

the object must move.

c)

The object must accelerate.

d)

The object must move the same direction as the force that is exerted.

80.

What is buoyancy?

a)

The force exerted by gravity on a submerged object

b)

The force exerted by an object on a fluid

c)

Upward force exerted by a fluid on a submerged object

d)

The force exerted by a fluid on a floating object

81.

Who discovered the principle of buoyancy?

a)

Isaac Newton

b)

Albert Einstein

c)

Galileo Galilei

d)

Archimedes

82.

What is the formula to calculate buoyant force?

a)

Buoyant force = Weight of the fluid displaced

b)

Buoyant force = Mass of the object

c)

Buoyant force = Volume of the object

d)

Buoyant force = Density of the fluid

83.

Which law states that the buoyant force on an object is equal to the weight of the fluid displaced by the object?

a)

Newton's third law

b)

Boyle's law

c)

Ohm's law

d)

Archimedes' principle

84.

What is the unit of density?

a)

g/cm^3

b)

lbs/in^3

c)

kg/m^3

d)

m/s^2

85.

Which of the following factors does NOT affect buoyancy?

a)

temperature

b)

density

c)

shape

d)

color

86.

What is the definition of volume?

a)

The amount of matter in an object or substance.

b)

The weight of an object or substance.

c)

How much space an object or substance takes up.

d)

The density of an object or substance.

87.
What is the volume of Object X?
a)
10.0 cm3
b)
15.0 cm3
c)
20.0 cm3
d)
25.0 cm3
88.
Which substance in the picture is the least dense?
a)
Dish Soap
b)
Vegetable Oil
c)
Water
d)
Honey
89.

This principle says that an increase in pressure on a confined fluid is transmitted equally to all parts of the fluid.

a)

Newton's Principle

b)

Bernoulli's Principle

c)

Archimedes' Principle

d)

Pascal's Principle

90.

One application of Pascal's principle is

a)

a hydraulic car lift

b)

the flight of an airplane

c)

a speedboat's bottom slapping against the waves

d)

the buoyancy shown by ducks and other waterfowl

91.

A unit of pressure is called a

a)

bernoulli

b)

pascal

c)

pound

d)

meter

92.
Pressure is equal to force divided by what
a)
area
b)
mass
c)
time
d)
distance
93.
True or false:
Pressure depends on depth
a)
true
b)
false
94.
___________is the result of the weight of a column of air pushing on an area.
a)
air pressure
b)
density
c)
volume
d)
none of the above
95.
What is another word for altitude?
a)
elevation
b)
barometer
c)
circumference
d)
weight
96.

Where would pressure be the greatest

a)

10 m deep in a lake at sea level

b)

5 m deep in a pond on a mountain

c)

top of a mountain 15,000 feet up

d)

on a hill in Oklahoma City (1,200 ft. above sea level)

97.
Fluids can also include__ and__. 
a)
solids and liquids
b)
solids and gases
c)
liquids and gases
d)
liquids
98.

What pressure does a 4000N horse exert on the ground if each foot is 10cm2?

a)

40 N/cm2

b)

100 N/cm2

c)

400 N/cm2

d)

10 N/cm2

99.

A force creates a pressure of 12 Pa over an area of 6.0 m2. What is the magnitude of this force?

a)

72 N

b)

12 N

c)

6.0 N

d)

2 N

100.

What is the average atmospheric pressure at sea level in psi?

a)

14.7 psi

b)

1 psi

c)

205 psi

d)

0.547 psi

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