Question

The ability to do work is called:

• A. Power
• B. Efficiency
• C. Energy
• D. force

Answer 1

The correct option is C

Energy

Correct option is C: Energy:

Explanation for correct answer:

1. The ability to do a work is called energy.
2. S.I unit of energy is $Joule$
3. Energy neither can be created nor be destroyed.
4. There are many type of energy like mechanical energy, chemical energy etc

Explanation for incorrect answer:

1. Option A- Power: Power is the rate of doing work
2. Option B- Efficiency: It is the ratio of useful energy to the total energy supplied.
3. Option D- Force: It is the push or pull effect on the body which can change the its state.

Hence option C is correct answer.