Question

In a watch P. E of wound spring is converted into

a. Chemical energy

b. Kinetic energy

c. Mechanical energy

d. Electrical energy

Answer 1

Answer:

b) mechanical energy

Explanation:

In a watch mechanical energy is stored

Answer 2

In the watch potential energy of wound spring is converted into (b) Kinetic energy.

Explanation:

• The wounded spring has potential energy as it is as the state of rest and is not performing any motion.
• When it is unwound and starts to move, the potential energy of the spring gets converted into kinetic energy.
• It is inferred as kinetic energy because the energy which is possessed by the moving object is called kinetic energy.
• In the watch, when the spring is in wound condition it is devoid of motion and when it is released it starts to move and thus possesses kinetic energy.

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