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Physics CFA

Total questions: 25

Worksheet time: 22mins

Name
Class
Date
1.
What is the net force?
a)
30 N left
b)
25 N right
c)
5 N left
d)
55 N right
2.

Calculate the Net Force.

a)

60N, Left

b)

40N, Right

c)

0N

d)

60N, Right

3.
Calculate the Net Force. 
a)
40N, Left
b)
40N, Right
c)
0N, Balanced
d)
75N, Right
4.
What is the net force?
a)
10 N
b)
0 N
c)
25 N
d)
1 N
5.
You and your dad are moving the couch from one side to another. Your dad pushes with a force of 35 N to the right and you push with a force of 25 N right. What is the net force on the couch?
a)
60 N right
b)
10 N left
c)
60 n right
d)
50 N left
6.

A boulder sitting at the top of a hill.

a)

Balanced forces are acting on the boudler

b)

Unbalanced forces are acting on the boulder

c)

There are no forces acting on the boulder

7.

When an object does not change its motion:

a)

Balanced forces

b)

Unbalanced forces

c)

Gravity

8.

A ball rolling down a hill and stopping at the bottom is an example of:

a)

Balanced forces

b)

Unbalanced forces

9.

Speed = _______________

a)

Distance + time

b)

Distance – time

c)

Distance x time

d)

Distance / time

10.

This occurs when an object speeds up, slows down, or changes direction.

a)

Speed

b)

Velocity

c)

Acceleration

11.

Velocity = _______________

a)

Speed – direction

b)

Speed + direction

c)

Speed x direction

d)

Speed / direction

12.

What is this?

"This airplane is traveling at 500 mph, West"

a)

Speed

b)

Velocity

c)

Acceleration

13.

What is this?

"This car is speeding up"

a)

Speed

b)

Velocity

c)

Acceleration

14.
Avery likes to walk 30 feet in 10 seconds. What is her speed?
a)
3 feet/sec
b)
6 feet/sec
c)
10 feet/sec
d)
2 feet/sec
15.

At what speed would a car have to move in order to travel 20 kilometers in 2 hours.

a)

5 km/hr

b)

10 km/hr

c)

20 km/hr

d)

40 km/hr

16.
What kind of energy is in a moving skateboard?
a)
Potential
b)
Kinetic
17.
What kind of energy is in a rock at the edge of a cliff?
a)
Potential
b)
Kinetic
18.
What kind of energy is in flowerpot sitting on a windowsill?
a)
Potential
b)
Kinetic
19.
Which is the best example that something has kinetic energy?
a)
a. a car parked on a steep hill 
b)
b. a tennis ball rolling across the court
c)
c. a picture hanging on the wall 
d)
d. a piece of coal before it's burned 
20.
How much potential energy is at the top of a hill on a rollar coaster ride
a)
100%
b)
50%
c)
0%
d)
20%
21.
At which point is potential energy greatest?
a)
W
b)
X
c)
Y
d)
Z
22.
At which point is kinetic energy greatest?
a)
W
b)
X
c)
Y
d)
Z
23.
As a pendulum swings from its highest to lowest position, what happens to its kinetic and potential energy? 
a)
Both the potential energy and kinetic energy decrease
b)
The potential energy decreases while the kinetic energy increases 
c)
The kinetic energy decreases while the potential energy increases 
d)
Bothe the potential energy and kinetic energy increase 
24.
What energy is pulling an arrow back 
a)
kinetic energy
b)
potential energy
c)
energy
25.

Which passenger has the most potential energy?

a)

A

b)

B

c)

C

d)

D