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Inertia: Newton's First Law of Motion

Total questions: 50

Worksheet time: 4hrs 10mins

Name
Class
Date
1.
Balanced or unbalanced?
a)
balanced
b)
unbalanced
2.
Which type of force(s) will cause a change in an object's motion?
a)
gravity
b)
zero net force
c)
balanced forces
d)
unbalanced forces
3.
If an object is not moving the forces acting upon it are _____________
a)
unbalanced
b)
weak
c)
balanced
d)
Hulk Smash!
4.

An object needs a balanced force for the object to move. 

a)
True
b)
False
5.
What is the name for a push or pull?
a)
A movement
b)
A force
c)
Speed
d)
Density
6.
The law of inertia (Newton’s First Law) applies
a)
to both moving and nonmoving objects
b)
only to moving objects
c)
only to objects that are not moving
7.

Because of inertia (Newton's First Law), a resting object will remain at ________.

a)
rest
b)
a constant speed
c)
school
d)
inertia 
8.

A car runs into a wall. What will happen to the people in the car?

a)

They will be pushed backwards by the force of the wall.

b)

They will be thrown forward because of the force of the car.

c)

They will keep moving forward until they hit their seatbelt or the dashboard.

d)

They will be pushed in all directions equally.

9.

According to Newton’s First Law of Motion, a moving object will _______ unless acted upon by another force.

a)

remain in motion

b)

eventually come to a stop

c)

change its momentum

d)

accelerate

10.

Without a force to stop or slow a moving object, the object will move forever in a ______ line. 

a)

downward

b)

upward

c)
straight
d)

curved

11.

Which would require the most force to move because it has the most mass?

a)
a toy car
b)
a sleeping cat
c)
a science book
d)
a chair with a friend sitting in it
12.
_____ is an object’s speed in a given direction.
a)
Friction
b)
Motion
c)
Speed
d)
Velocity
13.
What is Newton's First Law known as? The Law of
a)
Friction
b)
Mass
c)
Inertia
d)
Gravity
14.

Newton's First Law applies...

a)

to both objects in motion and objects at rest.

b)

to only objects in motion.

c)

to only objets at rest.

15.

Because of inertia, a moving object will keep ________ unless acted on by another force.

a)

at rest

b)

moving

c)

in one spot

d)

inertia

16.
Because of inertia, a resting object will remain at ________.
a)
rest
b)
a constant speed
c)
school
d)
inertia 
17.
Why is the net force 0 in the image?
a)
Because the elephants are the same size
b)
Because they are both pulling the same amount of force in opposite directions
c)
Because they are elephants
d)
Because they are pulling away from each other.
18.

Which tug-of-war force is balanced (no one is winning)?

a)

top, net force 0

b)

bottom, net force 100N

c)

both are balanced

19.
Which type of force(s) will cause a change in an object's motion?
a)
gravity
b)
zero net force
c)
balanced forces
d)
unbalanced forces
20.

A bowling ball is rolled across the parking lot. Which statement is true?

a)

The bowling ball will ONLY stop if it strikes something.

b)

The bowling ball will NEVER stop.

c)

The bowling ball will eventually stop because of friction.

d)

The bowling ball will eventually stop because it will run out of energy.

21.

If the net force on an object is zero (balanced force), the object will:

a)

start moving

b)

stop moving

c)

change direction

d)

there will be no change in the object's motion

22.

What is the unit used to MEASURE force?

a)

Kilogram

b)

Meter

c)

Pounds

d)

Newton

23.
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.
24.

Which law explains why the driver "keeps moving forwards, even though the car has stopped"?

a)

Newton's 1st Law

b)

Newton's 2nd Law

c)

Newton's 3rd Law

25.

If the man pushes with an equal amount of force, which object will accelerate (move faster) more?

a)

Car because it has more mass.

b)

Lawnmower because it has less mass.

c)

Car because it has less mass.

d)

Lawnmower because it has more mass.

26.

To stop the hot air balloon from going up or down, the forces must be _____.

a)

balanced

b)

unbalanced

27.

When these forces are applied the box will _____.

a)

move to the right

b)

move to the left

c)

NOT move

28.

If you kick a ball it will fly forever unless a force acts on it.

a)

True

b)

False

29.

What is another name for Newton's 1st Law of Motion?

a)

Law of Force and Acceleration

b)

Law of Inertia

c)

Law of Action-Reaction

d)

Law of motion

30.

An object in motion stops when.....

a)

It falls of an edge.

b)

it is acted upon by an outside force.

c)

It is eaten

d)

It never stops

31.

A push or pull on an object is called...

a)

Acceleration

b)

Mass

c)

Inertia

d)

Force

32.

Why is it harder for the boy in Image B to get down the hill? What force is slowing him down?

a)
Motion
b)
Friction
c)
Work
d)
Displacement
33.
If these boys 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.
34.
Which force produces a change in motion?
a)
unbalanced force
b)
balanced force
c)
gravitational force
d)
frictional force
35.

What is the attractive force that exists between all objects that have mass? Hint: This is also the force that keeps us and objects from floating around the Earth.

a)
Weight
b)
Mass 
c)
Gravity
d)
Viscosity
36.

If one force of 30 N and another force of 85N result in a net force of 55 N, which term describes the two forces?

a)

negative forces

b)

balanced forces

c)

unbalanced forces

37.

What happens to an object at rest if balanced forces act upon it?

a)

The object remains at rest.

b)

The object begins to move at a constant speed.

c)

The object begins to move and then slows down

38.

What is the net force acting on this box?

a)

9N to the right

b)

5N to the left

c)

5N to the right

d)

9N to the left

39.

What is the net force acting on this box?

a)

16N to the right

b)

4N to the left

c)

0N

d)

8N to the left

40.

An object that is changing position (location) is

a)

at rest

b)

in motion

41.

Which of the following is not a force?

a)

gravity

b)

velocity

c)

friction

d)

push

42.

The rate or measure of how fast an object is moving (distance / time) is _____.

a)

velocity

b)

force

c)

speed

d)

acceleration

43.
When a heavy football player and a light one run into each other, who exerts more force?
a)
The heavy one
b)
The light one
c)
They are equal
d)
There is no such thing as force 
44.

This car is turning, but there’s a puddle of water in the road. Which diagram best shows how the puddle will affect the path of the car after it hits the puddle?

a)
b)
c)
d)
45.

Which of these can cause a moving object to change direction?

a)

inertia

b)

velocity

c)

force

d)

mass

46.
Balanced or Unbalanced?
a)
Balanced 
b)
Unbalanced
47.

In the picture, the blocks are flying out of the truck based on Newton's first laws because _____.

a)

objects in motion want to stay in motion

b)

objects at rest want to stay at rest

c)

the mass of the blocks are greater than the mass of the truck

d)

the force is balanced

48.
The forces represented by the arrows in the diagrams are applied to the four objects that are at rest on a table. Which object is most likely to move to the right?
a)
Object W
b)
Object X
c)
Object Y
d)
Object Z
49.
The forces represented by the arrows in the diagrams are applied to the four objects that are at rest on a table. Which object is most likely to remain in place?
a)
Object W
b)
Object X
c)
Object Y
d)
Object Z
50.

If both people are exerting a force of 30 N, what is the net force?

a)

30 N

b)

60 N

c)

300 N

d)

0 N

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