Everyday Science · Physics in Everyday Life · page 2 of 21
Work & Energy MCQs with Answers
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- 11.
A position dependent force, F = 7 - 2x + 3x² N acts on a small body of mass 2 kg and displaces it from x = 0 to x = 5 m. The work done in joules is?
- 12.
If both displacement and force are doubled, what happens to work done?
- 13.
A diver of mass m is swimming at a depth h below the sea level. If the reference level is taken at sea level, the gravitational potential energy of the diver is _?
- 14.
Coal, gas and oil are all examples of _?
- 15.
Which one is a non-renewable source of energy?
- 16.
The unit of work is same as the unit of ?
- 17.
What is the reason of kinetic energy?
- 18.
refers to the rate at which energy is supplied or converted by the appliance or circuit.
- 19.
If momentum of a car is increased by 20% then its K.E is increased by ?
- 20.
What type of energy does a stretched spring possess?