1. An example of Kinetic energy would be:
A. A moving car
B. A charge particle in an electric field.
C. A stretched rubber band just released.
D. All of the above.
2. Newton-meter is the SI unit of
A. acceleration
B. work
C. power
D. force
3. Which of the following is/are example(s) of Potential Energy
A. A moving car.
B. A battery
C. A book resting on the table
D. both b and c
4. The other name of Nm is
A. ampere
B. volt
C. joule
D. hertz
5.KWh is the unit of
A. acceleration
B. work
C. power
D. energy
6. Which of the following is NOT correct?
A. energy is the ability of doing work
B. Work can be expressed as Force x Displacement
C. Unit of power is Joule.
D. power is the amount of work done per unit of time
7. In order to do work, energy is
A. transferred or converted
B. used up
C. lost
D. lost or transferred
8. Potential energy and kinetic energy are types of
A. Electrical energy
B. Magnetic energy
C. Thermal energy
D. Mechanical energy
9. Considering air resistance negligible, the sum of potential and kinetic energies of the free falling body would be
A. zero
B. would increase
C. would decrease
D. Remains fixed.
10. A light and heavy body have equal momenta. Which one has greater kinetic energy?
A. the light body
B. the heavy body
C. Both have same K.E.
D. none of these
Answers will be provided soon..
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