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Unit 3 Force & Motion Review

Total questions: 36

Worksheet time: 9hrs 0mins

Name
Class
Date
1.
If something is moving it could be balanced, but only if...
a)
It can't be
b)
It is moving really fast
c)
It is moving at a constant speed
d)
It is accelerating
2.
Potential energy is...
a)
Energy due to motion or movement
b)
Stored energy or energy due to position
c)
Good energy
d)
Bad energy
3.

The graph is showing a...

a)

Accelerating or speeding up

b)

Decelerating or slowing down

c)

Constant speed

d)

No motion

4.
The graph is showing... 
a)
Increasing speed
b)
Decreasing speed
c)
Constant speed
d)
No motion
5.

The graph is showing

a)

Increasing speed

b)

Decreasing speed

c)

Constant speed

d)

No motion

6.

The graph is showing...

a)

Accelerating or speeding up

b)

Decelerating or slowing down

c)

Constant speed

d)

No motion

7.
You drove 144 miles in 12 hours, what is your average speed?
a)
12 miles/hour
b)
24 miles/hour
c)
12 meters/year
d)
24 meters/year 
8.

The picture is showing a...

a)

Balanced force

b)

Unbalanced force

c)

Semi-balanced

d)

Almost balanced

9.
At what point is the object at rest?
a)
I
b)
II
c)
III
10.
What is the average speed of the race car?
a)
10 m/s
b)
30 m/s
c)
20 m/s
d)
0.5 m/s
11.
Kinetic energy can be described as
a)
stored energy
b)
energy in motion 
c)
a chemical reaction
d)
connected energy
12.

Using the picture, point B.

a)

has the greatest kinetic energy and the least potential energy

b)

has the most potential energy and the least kinetic energy

c)

potential energy changes into kinetic energy

d)

has the most thermal energy

13.

Which is true about the objects in this graph?

a)

Both objects are accelerating

b)

The green line represents the object that has a faster constant speed.

c)

The red line represents the object that has a faster constant speed.

d)

Both objects are decelerating.

14.

The total distance traveled divided by the total time is how to calculate...

a)

average speed

b)

average velocity

c)

average motion

d)

average acceleration

15.
Which of the following always causes change in speed, direction, or both?
a)
balanced forces
b)
unbalanced forces
c)
either balanced or unbalanced forces 
d)
any combination of forces
16.
A force ..... 
a)
is expressed in Newtons
b)
makes things speed up, slow down, or change directions
c)
is a push or pull
d)
all of these answers
17.
What does the line from point C to D on the distance-time graph represent?
a)
constant speed; going away from origin
b)
negative acceleration
c)
no motion
d)
constant speed; returning to start
18.
As potential energy increases
a)
kinetic energy increases
b)
kinetic energy decreases 
19.

The greatest kinetic energy and the least potential energy on a roller coaster is

a)

at the top of the highest hill.

b)

halfway down the highest hill.

c)

at the bottom of the highest hill.

d)

at the bottom of a loop.

20.
Balanced or Unbalanced?
a)
Balanced 
b)
Unbalanced
21.
What is the net force?
a)
10 N
b)
0 N
c)
25 N
d)
1 N
22.
A push or pull that causes a change in motion
a)
Friction
b)
Gravity
c)
Force
d)
Mass
23.
What is the unit of force?
a)
Kilogram
b)
Meter
c)
Pascal
d)
Newton
24.
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.
25.
What is happening at A?
a)
Stationary
b)
Accelerating
c)
Slower steady speed; moving away from the starting position
d)
Steady speed; returning to start position
26.
What is happening at E?
a)
Stationary
b)
Accelerating
c)
Fast steady speed; moving away from the starting position
d)
Steady speed; returning to start position
27.
If an object is not moving the forces acting upon it are _____________
a)
unbalanced
b)
weak
c)
balanced
d)
Hulk Smash!
28.
Forces that have a net force of zero are
a)
Balanced forces
b)
Unbalanced forces
29.
The faster an object moves, the ________ kinetic energy it has. 
a)
more
b)
less
c)
none of the above
d)
all of the above 
30.
This is an example of what simple machine?
a)
pulley
b)
wedge
c)
inclined plane
d)
screw
31.
A playground slide is an example of which simple machine?
a)
pulley
b)
wedge
c)
inclined plane
d)
screw
32.
What is the speed of a turtle that moves 6 centimeters in 3 seconds?
a)
18 cm/s
b)
0.5 cm/s
c)
3 cm/s
d)
2 cm/s
33.
Mary ran for 2 minutes and traveled 6 meters.  What was her speed?
a)
4 m/s
b)
 3 m/s 
c)
0.5 m/s
d)
12 m/s
34.

This picture suggests that

a)

it's easier to just LIFT the 500 lb box up 10 feet

b)

the shorter the ramp, the amount of force decreases making it easy to move the box

c)

the longer the ramp, the amount of force decreases making it easier and safer to move the 500 lb box

d)

the amount of force needed to move the box does not change with any length of ramp

35.

How do you calculate Average speed from a graph?

a)

Count all of the points on the line and then divide

b)

Calculate the speed at EVERY point on the line and the find the average of all of those points.

c)

Look at the end of the line and find the distance and time and calculate speed from that point

d)

calculate the speed at the middle point

36.

What is the average speed of the object?

a)

160 m/min

b)

1600 m/min

c)

10 m/min

d)

2600 m/min

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