Physics
Review questions on Physics
- 1.
An example of a system having both kinetic and potential energy would be
- A.
A piece of sugar
- B.
A book rest on the table
- C.
A stretch rubber band
- D.
An object in free fall
Correct Answer
D. An object in free fall -
- 2.
Kinetic energy is maximum for a roller coaster
- A.
At its highest points
- B.
At its lowest points
- C.
Somewhere in between
- D.
When there's no mass involved
Correct Answer
B. At its lowest points -
- 3.
According to Einstein, one kilogram of matter would give _____ Joules of energy.
- A.
9.0 × 10^16
- B.
3.24 × 10^17
- C.
11.1 × 10^17
- D.
5.61
Correct Answer
A. 9.0 × 10^16 -
- 4.
The capacity to do work
- A.
Electricity
- B.
Kilowatts
- C.
Energy
- D.
Force
Correct Answer
C. Energy -
- 5.
1 kg-m/sec/sec is equal to
- A.
1 Newton
- B.
1 pound
- C.
1000 Newton
- D.
9.81 kg
Correct Answer
A. 1 Newton -
- 6.
A truck is chasing a bicycle along a highway. Both have the same momentum. Which of the following is true?
- A.
The truck will eventually overtake the bicycle
- B.
The truck and bicycle have the same speed
- C.
The bicycle will outrun the truck
- D.
The bicycle will overtake the truck
Correct Answer
C. The bicycle will outrun the truck -
- 7.
What example of Potential Energy is true?
- A.
Moving car
- B.
A book resting on table
- C.
A speeding bullet horizontally
- D.
A water drops on the turbine wheel
Correct Answer
B. A book resting on table -
- 8.
A crank with a rope,a wheel,and an object can lift the object with ease
- A.
Screw
- B.
Wedge
- C.
Lever
- D.
Pulley
Correct Answer
D. Pulley -
- 9.
A form of energy that is transferred by a difference in temperature
- A.
Electrical energy
- B.
Chemical energy
- C.
Thermal energy
- D.
Potential energy
Correct Answer
C. Thermal energy -
- 10.
The unit for work
- A.
N-m/sec
- B.
Newton
- C.
Joules
- D.
Watt
Correct Answer
C. Joules -
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Apr 11, 2012Quiz Edited by
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Apr 08, 2012Quiz Created by
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