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Force and Motion review

Total questions: 22

Worksheet time: 11mins

Name
Class
Date
1.
What is air resistance?
a)
friction in the air that slows things down
b)
when an airplane flies into a cloud
c)
when you feel the air hitting your face
2.
Why do we need friction?
a)
It helps objects go faster. 
b)
It helps objects go up higher.
c)
It helps make objects go slower or stop.
3.
What kind of surface is a bowling alley? 
a)
smooth
b)
rough
4.
What does a curved line on a distance-time graph show?
a)
That the speed is changing. 
b)
That the object is not moving. 
c)
That the object is constant. 
5.
What are EQUAL forces acting on an object in opposite directions that do not change the object's motion?
a)
Friction
b)
Weight
c)
Balanced Forces
d)
Unbalanced Forces
6.
If an object does not move at all, what does that mean about the forces acting on the object? 
a)
The forces are balanced. 
b)
The forces are unbalanced. 
7.

Is a force that pulls objects toward each other without touching them.

a)

Force

b)

Friction

c)

Gravity

d)

weight

8.

What kind of surface has the least friction?

a)

rough

b)

wet

c)

smooth

d)

sandy

9.
Look at the image. What two forces are happening in this picture? 
a)
Friction & Magnetism
b)
Magnetism & Gravity
c)
Friction & Gravity
10.
What are UNEQUAL forces acting on an object in opposite directions that cause motion?
a)
Balanced Forces
b)
Unbalanced Forces
c)
Gravity
11.
It's field day and two classes are playing tug-of-war. One side has 4 people and the other side has 8 people. What is this an example of?
a)
balanced forces
b)
unbalanced forces
12.
The Quick Start Moving Company is a box of feathers and a box of Legos for the Smith family. Which box has more mass? 
a)
the box of feathers
b)
the box of Legos
c)
Neither box
13.
This is an example of _____ because the object WILL move. 
a)
Unbalanced Forces
b)
Balanced Forces
c)
Neither
14.
At which point does the cart have the greatest amount of potential energy?
a)
W
b)
X
c)
Y
d)
Z
15.
At which point does the cart have the greatest amount of kinetic energy?
a)
W
b)
X
c)
Y
d)
Z
16.

What is a force?

a)

a push or pull

b)

speed or acceleration

c)

potential or kinetic energy

d)

balanced or unbalanced force

17.

Force can be found by calculating...

a)

acceleration X Mass

b)

friction X gravity

c)

momentum X time

d)

distance X time

18.

When an object is getting faster, it is called...

a)

potential energy

b)

kinetic energy

c)

acceleration

d)

deceleration

19.

Which of these will cause a ball to accelerate fast?

a)

friction

b)

push

c)

motion

d)

magnetism

20.

Which of these cause friction for a ball bouncing?

a)

Texture on the outside of the ball

b)

air

c)

shape of the ball

d)

floor surface

21.

TRUE or FALSE: An object in motion will stay in motion unless a force acts on it.

a)

true

b)

false

22.

If you want this skateboard to roll faster down the flat-surfaced hallway, what will you do to it?

a)

give it a lesser push

b)

add weight to it

c)

take weight off of it

d)

move it onto the carpet