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Laws of Motion Study Guide

Total questions: 102

Worksheet time: 2hrs 53mins

Name
Class
Date
1.
An object at rest will remain at rest and an object moving at a constant velocity will continue moving at a constant velocity, unless it is acted upon by an unbalanced force. This is also called the law of inertia.
a)
Newton's 1st Law
b)
Newton's 2nd Law
c)
Newton's 3rd Law
d)
Wieand's Law
2.
Fluid friction when an object falls through the air
a)
free fall
b)
acceleration
c)
air resistance
d)
terminal velocity
3.
Explains the relationship between an object's acceleration, the net force acting on the object, and the object's mass. Acceleration = Net force/mass    F = MA
a)
Newton's 1st Law
b)
Newton's 2nd Law
c)
Newton's 3rd Law
d)
Wieand's Law
4.
a characteristic of a moving object that is related to the mass & the velocity of an object. Determined by mass x velocity.
a)
inertia
b)
momentum
c)
free fall
d)
acceleration
5.
The tendency of an object to resist any change in its motion. Increases with mass.
a)
inertia
b)
projectile
c)
momentum
d)
malleability
6.
Greatest velocity possible while falling through the air.
a)
free fall
b)
maximum velocity
c)
total velocity
d)
terminal velocity
7.
Forces that gives a zero net force and cause an object to stay in place. No acceleration occurs. 
a)
unbalanced force
b)
balanced force
c)
non moving force
d)
free force
8.
Forces that gives a non-zero net force and cause an object to move. Acceleration occurs. 
a)
unbalanced force
b)
balanced force
c)
non moving force
d)
free force
9.
Friction that occurs as an object moves through a fluid.
a)
fluid friction
b)
static friction
c)
science friction
d)
balanced friction
10.
In the absence of outside forces, total momentum does not change.
a)
Newton's 1st Law
b)
Law of gravity
c)
Law of conservation of momentum
d)
Raum's Law
11.
A measure of how much matter is in an object. SI unit grams
a)
weight
b)
mass
c)
volume
d)
length
12.
A push or pull on an object
a)
weight
b)
friction
c)
force
d)
gravity
13.
Force caused when surfaces rub.
a)
friction
b)
gravity
c)
momentum
d)
weight
14.
A measure of the force of gravity on an object. Measured in Newtons using a spring scale.
a)
mass
b)
weight
c)
volume
d)
temperature
15.
SI unit for force (and also weight)
a)
gram
b)
liter
c)
meter
d)
Newton
16.
The overall force of an object when all other forces are added together.
a)
total force
b)
overall force
c)
net force
d)
momentum
17.
Motion when only gravity acts on an object.
a)
free fall
b)
terminal velocity
c)
momentum
d)
gravitron
18.

Which Law? "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

19.

Which Law? "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

20.

Which Law? Force = Mass x Acceleration

a)

Newton's 1st Law

b)

Newton's 2nd Law

c)

Newton's 3rd Law

d)

Newton's 4th Law

21.
The force that opposes motion between two surfaces in contact with each other.
a)
inertia
b)
friction
c)
momentum
d)
gravity
22.
A force that opposes motion between a surface in contact with the atmosphere.
a)
air resistance
b)
gravity
c)
momentum
d)
terminal velocity
23.
A Newton is a unit of...
a)
force
b)
inertia
c)
acceleration
d)
velocity
24.
The combination of all the forces acting on an object is the...
a)
net force
b)
action force
c)
reaction force
d)
balance force
25.
An archer pulls the bowstring back, then releases the string and the arrow flies forward. Pulling the string back is the...
a)
action force
b)
reaction force
c)
net force
d)
inertia
26.
An archer pulls the bowstring back, then releases the string and the arrow flies forward. The arrow flying forward is the...
a)
action force
b)
reaction force
c)
net force
d)
inertia
27.
In the picture, the blocks are flying out of the truck based on which of Newton's laws?
a)
Newton's 1st Law
b)
Newton's 2nd Law
c)
Newton's 3rd Law
d)
Newton's 6th Law
28.
A person not paying attention while skateboarding hits a rock. The skateboard stops...they don't.
a)
The Law of Inertia
b)
The Law of Acceleration
c)
The Law of Conservation of Momentum
29.
Pushing a child on a swing is easier than pushing an adult on the same swing, because the adult has more mass and requires more force to accelerate.
a)
Newton's 1st Law
b)
Newton's 2nd Law
c)
Newton's 3rd Law
30.

When you step on a Lego, you push on the Lego and the Lego pushes back on you. This is an example of (a)  

Choose from the below words
Newton's 1st Law
Newton's 2nd Law
Newton's 3rd Law
31.

When an unbalanced force acts on an object, the force ______________________.

a)

changes the motion of the object

b)

is cancelled by another force

c)

does not change the motion of an object

d)

is equal to the weight of the object

32.

How does Friction act when compared to the motion of an object?

a)

Friction acts in the same direction as the motion of the object

b)

Friction acts in the opposite direction as the motion of the object

c)

Friction is not related to the motion of the object

d)

Friction is equal to the motion of the object

33.

True or False: Both Gravity and Inertia are in play when you fall forward after stub your toe

a)

True- Gravity pulls you toward the center of the earth while Inertia keeps you moving forward

b)

False- Gravity only

c)

False- Inertia only

d)

False- You fall because you're clumsy. There is no science in being clumsy.

34.
If these teams are pulling with the same amount of force what will happen?
a)
The boy in blue will win.
b)
They will not move at all.
c)
The boy in red will win.
d)
Both will fall down.
35.
Balanced or Unbalanced?
a)
Balanced 
b)
Unbalanced
36.
The force that pulls objects towards Earth.
a)
Gravity
b)
Friction
c)
Inertia
d)
Force
37.
The upward force on an object falling through the air is _________.
a)
air force
b)
weight
c)
air resistance
d)
upheaval
38.
A feather will fall through the air more slowly than a brick because of ____.
a)
inertia
b)
gravity
c)
air resistance
d)
momentum
39.
In the absence of air, a penny and a feather that are dropped from the same height at the same time will ____.
a)
not have momentum
b)
fall at different rates
c)
float 
d)
fall at the same rate
40.
The acceleration due to gravity is ____.
a)
9.8 m/s2 
b)
98 m/s2
c)
0.98 m/s
d)
9.8 m/s 
41.
When an object moves in a circular path, it accelerates toward the center of the circle as a result of ____.
a)
 frictional force
b)
momentum
c)
centripetal force
d)
gravitational force
42.
According to Newton's second law of motion, ____.
a)
 F = m x v 
b)
F = m x a
c)
F = p x v
d)
F = p x a
43.
For any object, the greater the force that's applied to it, the greater its ____ will be.
a)
acceleration
b)
velocity
c)
gravity 
d)
inertia
44.
The size of the gravitational force between two objects depends on their ____.
a)
speed and direction
b)
masses and the distance between them 
c)
 frictional forces
d)
inertia
45.
As you get farther from the center of Earth, your weight will ____.
a)
decrease
b)
remain the same
c)
increase
d)
inertiacan't tell from information given
46.
When a force is exerted on a box, an equal and opposite force is exerted by the box. These forces are called ____ forces. 
a)
frictional
b)
gravitational
c)
action-reaction 
d)
centripetal
47.
A real car moving at 10 km/h has more momentum than a toy car moving at the same speed because the real car ____. 
a)
generates less friction 
b)
has greater mass
c)
has greater forward motion
d)
has less mass
48.
In the equation p = m x v, the p represents ____.
a)
 friction
b)
momentum 
c)
inertia
d)
position
49.

The statement "to every action there is an equal and opposite reaction" is (a)   . 

Choose from the below words
the law of conservation of momentum
Newton's first law of motion
Newton's second law of motion
Newton's third law of motion
50.
When two balls collide, the momentum of the balls after the collision is explained by ____. 
a)
the law of conservation of momentum
b)
Newton's third law of motion
c)
Newton's second law of motion
d)
Newton's first law of motion
51.
A 300-N force acts on a 25-kg object. The acceleration of the object is ____.
a)
25 m/s2
b)
7,500 m/s2
c)
300 m/s2
d)
12 m/s2
52.

Match the following forces with their corresponding accelerations.

a)

15 m/s2 

1.

A 3,000-N force acts on a 200-kg object.

b)

150 m/s2

2.

A 30,000-N force acts on a 200-kg object.

c)

26 m/s2 

3.

A 5,200-N force acts on a 200-kg object.

d)

50 m/s2 

4.

A 10,000-N force acts on a 200-kg object.

53.
An object that is in free fall seems to be ____.
a)
not moving
b)
speeded up by air resistance 
c)
slowed by air resistance
d)
weightless
54.
If gravity did NOT affect the path of a horizontally thrown ball, the ball would ____. 
a)
fall straight down 
b)
follow a curved path
c)
go straight up
d)
travel horizontally
55.
What measures how hard it is to stop a moving object? 
a)
centripetal force 
b)
momentum
c)
firction
d)
force
56.
Which type of collision occurs when a baseball bat hits a baseball?
a)
elastic
b)
inelastic
c)
accelerated
57.
In circular motion, a force that acts perpendicular to the direction of motion, toward the center of the curve is 
a)
Net Force
b)
balance force
c)
centripetal force 
58.
An astronaut's _____________ changes as he/she goes from Earth into space. 
a)
size
b)
weight
c)
mass
59.
Which type of force involves two objects touching?
a)
contact
b)
magentic
c)
noncontact
60.
A 25 kg object moving at 10 m/s2 would have have what force?
a)
2.5 N
b)
15 N
c)
35 N
d)
250 N
61.

A unit of momentum is (a)   .

Choose from the below words
N
m/s
m/s2
kg x m/s
62.
Which of the following is a unit of speed?
a)
N
b)
m/s
c)
m/s2
d)
kg x m/s
63.
Which of the following is a unit of acceleration?
a)
N
b)
m/s
c)
m/s2
d)
kg x m/s
64.
When determining net force, what is needed?
a)
The direction of the force and friction
b)
The applied forces and gravity
c)
The direction of the force and gravity
d)
The applied forces and the direction of the force
65.
A 0.4 kg baseball is thrown with a velocity of 3.2 m/s. What is its momentum?
a)
3.6 kg x m/s
b)
1.28 kg x m/s
c)
8 kg x m/s
d)
12.6 kg x m/s
66.
a car slows from 12 m/s to 8 m/s in 2 seconds. What is the car's acceleration?
a)
2 m/s2
b)
-2m/s2
c)
48 m/s2
d)
-3 m/s2
67.

What might happen if you were in a braking car, and you weren't wearing your seat belt?

a)

You'd fly backward through the rear window.

b)

You'd be pressed backward into your seat

c)

You'd fly forward through the windshield.

d)

You'd move sideways through the passenger door

68.

If an unbalanced force acts on an object, what will happen?

a)

It will not move at all.

b)

It will accelerate in the same direction as the force.

c)

It will accelerate in the opposite direction to the force

d)

It will accelerate at an angle of 90 degrees to the force.

69.
Question Image

Match the scenarios with the correct application of Newton's third law.

a)

The wall pushes back at you half as hard as you push against it.

1.

Pushing a wall with a gentle force.

b)

The wall doesn't resist at all.

2.

Leaning against a wall without applying force.

c)

The wall pushes back at you with the same amount of force

3.

Pushing a wall with a strong force.

d)

The wall pushes back at you twice as hard as you push against it.

4.

Pushing a wall with an extreme force.

70.

Which of the following is the formula for momentum?

a)

p = mv

b)

M = mv

c)

F = ma

d)

g = mc2

71.

Which of the following is a complete description of the momentum of an object?

a)

6.7 kg·m/s, east

b)

8.9 kg·m/s

c)

1.5 kg/s, west

d)

3.47 m/s2, north

72.

Calculate the momentum of a 55-kg running back moving westward at 10 m/s.

a)

550 kg·m/s, west

b)

550 kg·m/s

c)

550 m/s, west

d)

550 kg, west

73.

Calculate the momentum of a 1200-kg truck moving northward at 30 m/s.

a)

36000 kg·m/s, north

b)

400 kg·m/s, north

c)

36000 kg·m/s

d)

400 kg·m/s

74.

Consider this elastic collision between two spheres. They collide and then bounce apart. Sphere A has a mass of 8-kg. Sphere B has a mass of 5-kg. Before the collision, Sphere A is travelling to the right at 3 m/s and Sphere B is travelling to the left at 4 m/s. After the collision, Sphere A is travelling 2 m/s. How fast is Sphere B travelling after the collision?

a)

about 5.6 m/s

b)

about 3.2 m/s

c)

about 7.4 m/s

d)

about 8.1 m/s

75.

You are calculating the momentum of a 2 kg toy car moving along the sidewalk at a speed of 0.5 m/s. What would happen to the momentum if you doubled the mass of the car?

a)

You would double the momentum.

b)

You would triple the momentum.

c)

You would half the momentum.

d)

The momentum would not change.

76.
What is the net force?
a)
5.5 N left
b)
5.5 N right
c)
2.5 N left
d)
2.5 N right
77.
If there are two forces going in the same direction how would you find the net force?
a)
Subtract
b)
Add
c)
Neither
d)
Multiply
78.

Using the gravity of earth at 9.81 m/s2 , how much does a person with a mass of 35 kg weigh in Newton's?

a)

0.28 N

b)

343 N

c)

3.57 N

d)

212 N

79.
Question Image

Match the following weights with their corresponding gravitational accelerations on different planets.

a)

8.04 kg⋅m/s

1.

A 56 kg person weighs 450 N

b)

8.04 m/s2

2.

A 56 kg person weighs 4500 N

c)

25,200 m/s2

3.

A 56 kg person weighs 1,400,000 N

d)

25,200 kg⋅m/s

4.

A 56 kg person weighs 1,400,000 kg⋅m/s

80.
Question Image

Match the following scenarios with the correct force applied:

a)

25 Newtons

1.

A 2.5 kg object accelerates at 10 m/s2.

b)

20 Newtons

2.

A 2 kg object accelerates at 10 m/s2.

c)

200 Newtons

3.

A 20 kg bike accelerates at 10 m/s2.

d)

10 Newtons

4.

A 1 kg object accelerates at 10 m/s2.

81.

Calculate the momentum of a 55-kg running back moving forward at 10 m/s.

a)

550 kg·m/s

b)

-550 kg·m/s

c)

5.5 kg·m/s

d)

-5.5 kg·m/s

82.

A 2.5 kg ball moving at 4.2 m/s collides with a 2.5 kg stationary ball. If the first ball is at rest after the collision, the velocity of the second ball is (a)   Elastic Collision

Choose from the below words
2.1 m/s
2.5 m/s
4.2 m/s
8.4 m/s
83.
Sally experiences-
a)
Rolling Friction
b)
Sliding Friction
c)
Fluid Friction
d)
Static Friction
84.
Swimming fish experience-
a)
Rolling Friction
b)
Sliding Friction
c)
Fluid Friction
d)
Static Friction
85.
What type of friction is not moving?
a)
static
b)
sliding
c)
kinetic
d)
rolling
86.
What type of friction is moving?
a)
static
b)
sliding
c)
kinetic
d)
rolling
87.
Friction is a force that acts in an ___________ direction of movement.
a)
similar
b)
opposite
c)
parallel
d)
west
88.
How would the absence of friction affect a marble traveling on a long, straight path?
a)
The marble’s speed would decrease.
b)
The marble’s speed would increase.
c)
The marble would stop immediately. 
d)
The marble would remain at constant speed.
89.
8 N to the left , and 4 N to the right. Find the net force. Is this balanced 
a)
12 N Right  No
b)
4 N Left  No
c)
12 N Right  Yes
d)
4 N Left  Yes
90.
If there are two forces going in the same direction how would you find the net force?
a)
Subtract
b)
Add
c)
Neither
d)
Multiply
91.
Find the net force: 15 N to the right, and another 15 newtons to the right.
a)
0 N Right
b)
0 N Left
c)
30 N Left
d)
30 N Right
92.
The force that pulls things toward earth.
a)
Speed
b)
Gravity
93.
Which one is balanced?
a)
top
b)
bottom
c)
both
94.
Which is true from Newton's Third law of motion?
a)
For every action force there is a smaller reaction force in the opposite direction.
b)
For every action force there is an equivalent reaction force in the opposite direction.
c)
 Both 1 and 2
d)
None of the above
95.

The net force is (a)  

Choose from the below words
400 N Up
400 N Down
- 400 N Down
800 N Down
96.
What is the net force
a)
10 N
b)
0 N
c)
25 N
d)
1 N
97.

Match the following scenarios with their net force and balance status.

a)

8N Left  No

1.

10 N to the right, and 2 N to the left.

b)

4 N Left  No

2.

8 N to the left , and 4 N to the right.

c)

0 N  Yes

3.

6 N to the right, and 6 N to the left.

d)

4 N Right No

4.

2 N to the left, and 6 N to the right.

98.
How are velocity and force similar.
a)
both are described by the grams they  act in.
b)
both are described by the distance they act in.
c)
both are described by the speed they act in.
d)
both are described by the direction they act in.
99.
What is the net force?
a)
40 N left
b)
0 N Balalnced
c)
400 N right
d)
40 N right
100.

In what direction with the box move?

a)

right

b)

left

c)

up

d)

down

101.

There is a book sitting at rest on a chair. Which of the following is true?

a)

There are many forces acting on the book, but they balance each other out

b)

The book exerts no force on the chair

c)

The chair exerts no force on the book

d)

all of these

102.

Match the following terms and definitions.

a)

Balanced Forces

1.

Equal Forces on opposite directions

b)

Inertia

2.

Resistance to change

c)

Unbalanced Forces

3.

Unequal forces that cause acceleration

d)

Action Force

4.

Force applied on object

e)

Reaction Force

5.

Resistance force that is opposite to the action force

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