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- 1. Multiple Choice
The rate at which energy is transferred
Work
Power
Momentum
Acceleration
- 2. Multiple Choice
The transfer of energy using a force that causes the object to move in the direction of the force
Work
Power
Momentum
Accleration
- 3. Multiple Choice
Which of the following is the correct equation for Power?
P = F x d
P = F / d
P = W / t
P = W x t
- 4. Multiple Choice
Which of the following is the correct equation for work?
W = F x d
W = F / d
W = P + t
W = P / t
- 5. Multiple Choice
What is the unit used to express Work?
Newtons
Meters
Watts
Joules
- 6. Multiple Choice
What is the unit used to measure Distance?
Newtons
Joules
Meters
Watts
- 7. Multiple Choice
What is the unit used to measure Force?
Meters
Watts
Newtons
Joules
- 8. Multiple Choice
What is the unit used to express Power?
Joules
Meters
Newtons
Wattts
- 9. Multiple Choice
What two things must happen for work to be done?
The object must move and there must be an output force
The object must move in the opposite direction of the force
The object must move in the same direction of the force
The object must move and the mechanical advantage must be greater than 1
- 10. Multiple Choice
Which way uses more power?
Using the sandpaper
Using the power sander
They both use the same amount of power
- 11. Multiple Choice
Solve for work in each example and pick which example shows the most work being done.
Example a
Example b
Example c
Example d
- 12. Multiple Choice
The type of energy associated with position is _______________ and the type of energy associated with velocity is ______________.
Kinetic / Potential
Potential / Kinetic
Kinetic / Thermal
Thermal / Potential
- 13. Multiple Choice
Where is the potential energy the greatest?
W
X
Y
Z
- 14. Multiple Choice
Where does the roller coaster have the greatest velocity?
W
X
Y
Z
- 15. Multiple Choice
A roller coaster rolls freely up a hill (from position X to Y). Compare its kinetic energy (KE) to its potential energy (PE).
KE increases and PE decreases
KE decreases and PE decreases
KE increases and PE increases
KE decreases and PE increases
- 16. Multiple Choice
As a pendulum is released from its maximum height at point A which of the following will increase?
Total energy will increase
Only Kinetic Energy will increase
Only Potential Energy will increase
- 17. Multiple Choice
A swinging pendulum can have both kinetic and potential energy at the same time.
True
False
- 18. Multiple Choice
An arrow in a bow has 70 Joules of potential energy. Assuming no loss of energy to heat or friction, how much kinetic energy will it have after it is released?
35 Joules
50 Joules
70 Joules
140 Joules
- 19. Multiple Choice
Which of the following is a true statement about the conservation of energy?
Potential energy is always conserved
Kinetic energy is always conserved
Mechanical energy is always conserved
Total energy is always conserved
- 20. Multiple Choice
Which pair of bar graphs would show the before and after relationship between potential and kinetic energy if an object is dropped from the top of a building and there is no air resistance or friction?
Graphs A
Graphs B
Graphs C
Graphs D
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