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Forces and Motion Test 2024

Total questions: 50

Worksheet time: 2hrs 40mins

Name
Class
Date
1.
In physical science, a push or a pull is called a(n) ________.
a)
force.
b)
inertia.
c)
acceleration.
d)
motion.
2.
____________ is the force that slows down and eventually stops all objects on the Earth.
a)
inertia
b)
gravity
c)
momentum
d)
friction
3.
The effect of gravity depends on which of the following two things?
a)
time; length
b)
mass; distance
c)
mass; acceleration
d)
weight; height
4.
Which law of motion is shown here?
a)

1st Law (Inertia Law)

b)

2nd Law (F = m x a)

c)

3rd Law (Action..Reaction)

5.
Objects moving through air experience a type of friction called _____ .
a)
terminal velocity.
b)
inertia.
c)
air resistance.
d)
rolling friction.
6.
The force that exists between two surfaces that are touching is called _______.
a)
momentum
b)
friction
c)
inertia
d)
gravity
7.
Which of the following graphs shows how the speed of a rolling ball is affected by friction?
a)
Graph A
b)
Graph B
c)
Graph C
d)
Graph D
8.
The combination of all the forces acting on an object is called the ________ .
a)
net force
b)
cumulative force
c)
balanced force
d)
friction force
9.

What happens when two forces act in the same direction?

a)

They cancel each other out.

b)

They are added together.

c)

They are subtracted

10.
All objects near the Earth's surface accelerate at a rate of _____ due to the force of gravity.
a)
4.13 mph
b)
.098 km/ms2
c)
8.9 m/s2
d)
9.8 m/s2
11.

What is the net force of the two running animals?

a)

10 N

b)

200 N

c)

30 N

d)

none of these

12.
When the main force acting on a falling object is gravity, the object is said to be _____.
a)
stationary.
b)
in free fall.
c)
decelerating.
d)
a projectile.
13.

If a rubber ball, a bowling ball, and a metal ball are all dropped from the same height at the exact same time, which would hit the ground first? (assume no air resistance)

a)

all would hit at the same time

b)

the rubber ball

c)

the metal ball

d)

the bowling ball

14.

As two objects come closer together, the gravitational force between them _______.

a)

increases

b)

remains the same

c)

decreases

d)

not enough information given

15.
Based on the picture shown below, which of the following is true?
a)

The cart will not move.

b)

The cart will move with a force of 100N to the left

c)

The cart will move with a force of 100N to the right

d)

The cart will move with a force of 50N to the left

16.

Which of these is an example of static friction?

a)

rolling soccer ball

b)

a parked car

c)

running water in a sink

d)

all are opposed by static friction

17.

What is the net force acting on the airplane in this picture?

a)

100 N

b)

700N

c)

760 N

d)

900 N

18.

Based on the picture shown here, what would be the ball's acceleration at 4 seconds?

a)

39.2 m/s

b)

9.8 m/s

c)

29.4 m/s

d)

0 m/s

19.

In which scenario below is the pull of gravity (gravitational force) the strongest? Hint: Use the Universal Law of Gravity.

a)

earth and human

b)

human and moon

c)

sun and human

d)

all of these have the same gravitational force

20.
What type of motion is shown in this picture?
a)
weightlessness
b)
centripetal force
c)
projectile motion
d)
terminal velocity
21.

What is the net force and direction that will result from the collision between the two vehicles below?

a)

90 N, left

b)

90 N , right

c)

60 N , right

d)

60 N, left

22.

According to Newton's 1st law, which of the following causes an object to start moving?

a)

balanced forces

b)

static forces

c)

stable forces

d)

unbalanced forces

23.
If you throw a baseball to your friend, which of the following would happen?
a)
it would go straight up
b)
it would fall straight to the ground
c)
it would float in mid air
d)
it would follow a curved path downward as gravity pulls on it
24.
Forces that cancel out are called ____.
a)
balanced forces
b)
inertial forces
c)
frictional forces
d)
gravity forces
25.
Which of Newton's Laws best explains why it takes more force to move the bigger rock?
a)

1st Law (Inertia Law)

b)

2nd Law (F = m x a)

c)

3rd Law (Action...Reaction)

26.

Which of the following would be an example of a balanced force?

a)

pushing a baby in a stroller

b)

the hands on a clock moving

c)

a dog running down a path

d)

a swing sitting still on the playground

27.

Which lists correctly order the objects from highest speed to lowest speed?

a)

R,Q,S

b)

R,S,Q

c)

S,Q,R

d)

Q,R,S

28.
The force that pulls on all objects on the Earth is called _______ .
a)
sliding friction
b)
velocity
c)
gravity
d)
inertia
29.

Which pair in the picture above has the greatest/most gravitational attraction?

a)

A1

b)

C2

c)

B2

d)

B1

30.

What is the net force being exerted on the desk in this picture?

a)

70N

b)

30N

c)

20N

d)

50N

31.
When the card is pulled from underneath the washer, the washer appears to be floating in mid air. Which of Newton's laws best describes why this is happening?
a)
1st Law: Objects at rest or in motion stay that way unless acted upon by an outside force.
b)
2nd Law: The acceleration of an object is dependent upon its mass and the amount of force applied.
c)
3rd Law: For every action, there is an equal and opposite reaction.
32.

The force that acts on objects moving in a circle is called a(n) _____.

a)

balanced force.

b)

gravitational force.

c)

unbalanced force.

d)

centripetal force.

33.

In which of the following activities is friction considered to be helpful?

a)

tires helping a car move

b)

holes forming in your socks from walking across carpet

c)

soil erosion and loss

d)

a car engine's parts wearing down

34.
Which of Newton's Laws is shown here?
a)

1st Law (Inertia Law)

b)

2nd Law (F = m x a)

c)

3rd Law (Action...Reaction)

35.

As two objects move apart, the gravitational force between them _______.

a)

increases

b)

remains the same

c)

decreases

d)

not enough information given

36.
Which of the following objects will show the least amount of acceleration (Newton's 2nd law)?
a)
an empty shopping cart pushed with a hard force
b)
a full shopping cart pushed with a light force
c)
an empty shopping cart pushed with a light force
d)
a full shopping cart pushed with a hard force
37.

___________ is found between 2 objects that are touching but not moving.

a)

rolling friction

b)

sliding friction

c)

static friction

d)

air resistance

38.
What is the net force being exerted on the refrigerator in this picture?
a)
224N
b)
724N
c)
276N
d)
Answer is not given
39.
When you are riding your bicycle down the street, which type of friction is helping you to move along?
a)
static friction
b)
rolling friction
c)
sliding friction
d)
friction does not help you
40.
What conclusion can be drawn about the rider's motion?
a)
The rider maintained a constant speed during the time period between 0 and 10 seconds
b)
The rider did not move during the time period between 10 and 15 seconds.
c)
The rider rode downhill during the time period between 15 and 20 seconds
d)
The rider slowed down during the time period between 15 and 20 seconds.
41.
Which graph best represents the relationship between velocity and time for an object that accelerates uniformly for 2 seconds, then moves at a constant velocity for 1 second, and finally decelerates for 3 seconds?
a)
Graph A
b)
Graph B
c)
Graph C
d)
Graph D
42.
Acceleration involves ____________.
a)
speeding up
b)
slowing down
c)
changing direction
d)
all of these are correct
43.
Which of the following is an example of sliding friction?
a)
you riding your skateboard down the sidewalk
b)
bike tires on the road as you ride
c)
a car sitting still at a red light
d)
rubbing your hands together to get them warm
44.

Which pair in the picture above has the least gravitational attraction?

a)

A2

b)

C1

c)

B2

d)

B1

45.
Which of these statements is true?
a)
All matter has mass, but only some matter is affected by gravity
b)
Gravity exists everywhere, but at night it gets less powerful.
c)
All matter has mass and all matter is affected by gravity
d)
Gravity is a force that only affects objects in certain areas on the Earth
46.
The relationship among force, mass, and acceleration is shown in ____.
a)
the law of conservation of energy
b)
Newton's 2nd law of motion
c)
Newton's 1st law of motion
d)
Newton's 3rd law of motion
47.
Which statement best describes the motion of the three cars shown in the graph above?
a)
Cars 1 and 3 have constant speeds, whereas Car 2 has a variable/changes speed.
b)
Cars 1 and 3 have variable/changing speeds, whereas Car 2 has a constant speed.
c)
All three of the cars have variable/changing speeds.
d)
All three of the cars have constant speeds.
48.
When air resistance is balanced with gravity, a falling object has reached _______.
a)
density
b)
buoyancy
c)
inertia
d)
terminal velocity
49.
An object's resistance to change its motion is known as ____.
a)
gravity
b)
energy
c)
work
d)
inertia
50.
Which of Newton's 3 laws of motion best explains why this rocket is able to launch into the air?
a)
Newton's 1st Law
b)
Newton's 2nd Law
c)
Newton's 3rd Law

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