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Forces & Newtons Laws

Total questions: 35

Worksheet time: 2hrs 46mins

Name
Class
Date
1.
How will this object move? 
a)
It won't move. 
b)
It will move to the right. 
c)
It will move to the left. 
d)
It will move in both directions. 
2.

Which could be an example of an unbalanced force?

a)

A plate sitting on a dining table

b)

A ball at the top of a hill that is not moving

c)

A baseball that has been thrown to home plate.

3.
Forces that have a net force of zero ( the object is still).
a)
Balanced force
b)
Unbalanced force
4.
A _____ is a pull or a push.
a)
force
b)
friction
c)
gravity
d)
speed
5.

One way that a force can cause the change in an object's motion is to...

a)

change the shape of the object

b)

stop the object from moving

c)

start the object moving.

d)

change the objects velocity

6.
_____ is the force that slows and stops motion between touching objects.
a)
Friction
b)
Gravity
c)
Pull
d)
Push
7.
Which would require the most force to move?
a)
a toy car
b)
a sleeping cat
c)
a science book
d)
a chair with a friend sitting in it
8.

What force holds the planets in motion around the sun?

a)

normal

b)

friction

c)

Gravitational

d)

Applied

9.
An _______ force must act on an object for it to CHANGE it's motion
a)
balanced
b)
unbalanced
c)
gravitational
d)
electrical
10.

this picture illustrates which of Newton's Laws?

a)

1st

b)

2nd

c)

3rd

11.
a)
1st
b)
2nd
c)
3rd
12.

This picture illustrates which of Newton's Laws?

a)

1st

b)

2nd

c)

3rd

13.

Object at rest stays at rest.

a)

1st law

b)

2nd law

c)

3rd law

14.

F = MxA

a)

1st law

b)

2nd law

c)

3rd law

15.
Action/Reaction
a)
1st
b)
2nd
c)
3rd
16.
Objects tendency to resist change
a)
Friction
b)
Inertia
c)
Force
d)
Gravity
17.
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
18.

According to Newton’s second law of motion, force is equal to mass times ______________________.

a)

inertia

b)

weight

c)

acceleration

d)

direction

19.

The picture is an example of Newton's...

a)

1st Law

b)

2nd Law

c)

3rd Law

20.
A magician pulls a tablecloth out from under dishes and glasses on a table without disturbing them.
a)
Newton's 1st Law
b)
Newton's 2nd Law
c)
Newton's 3rd Law
21.
A person not paying attention while skateboarding hits a rock. The skateboard stops...they don't.
a)
The Law of Inertia (1st law)
b)
The Law of Acceleration (2nd law)
c)
The Law of Conservation of Momentum
d)
Action Reaction Law (3rd law)
22.
What Unit do we Measure Force in? 
a)
Newtons
b)
Joules
c)
Force
d)
Kilograms
23.
With unbalanced forces, the object will move in the direction that the _______ force is being applied.
a)
larger 
b)
smaller 
c)
equal 
d)
less
24.
A 20 kg bike accelerates at 10 m/s2.  what was the force
a)
25 Newtons
b)
20 Newtons
c)
200 Newtons
d)
10 Newtons
25.
When all the forces on an object are equal and opposite, & the net force is zero, that's...
a)
balanced forces
b)
unbalanced forces
c)
terminal velocity
d)
reaction forces
26.
What is the force that causes objects to fall to Earth?
a)
Air resistance
b)
Gravity
c)
Water resistance
d)
Pressure
27.

Which object will most likely move farthest with only 3 newtons of force?

a)

a paper clip

b)

a computer

c)

your science book

d)

a tissue box

28.

What force ultimately slows the roller coaster to a stop?

a)

Applied

b)

Normal

c)

Friction

d)

Gravitational

29.

Leanna decided to rearrange her bedroom by moving her dresser to the opposite wall. She tried pushing it, but found that the dresser would not move. What force was Leanne NOT able to overcome?

a)

normal force

b)

gravitational force

c)

tension force

d)

frictional force

30.
Name the missing force....
a)
weight force
b)
normal force
c)
frictional force
d)
tension force
31.
Name the missing force...
a)
applied force
b)
weight force
c)
tension force
d)
drag
32.

this type of force prevents objects from falling through a surface?

a)

gravity

b)

normal

c)

applied

d)

friction

33.

this type of force is generated when 2 surfaces slide past each other. this force slows or stops motion.

a)

gravity

b)

normal

c)

applied

d)

friction

34.

Which of the following is an example of Newton's 3rd Law?

a)

A ball rolling down a hill

b)

A book resting on a table

c)

A car accelerating on a highway

d)

A rocket launching into space

35.

If a car is moving at a constant speed, what can be said about the forces acting on it?

a)

There is no force acting on it

b)

The forces are unbalanced

c)

The gravitational force is greater than the frictional force

d)

The forces are balanced