Question

The usable form of mechanical energy is 1.Elastic potential energy
2.Kinetic energy
3.Gravitational potential energy
4.None of the given options. ​

Answer 1

Answer:

Answer is 2 Kinetic energy

Explanation:

Kinetic energy is the virtue of its motion. Hence it becomes mechanical energy as there must be some movement or velocity for the existence of kinetic energy. Kinetic energy is used.

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Answer 2

The usable form of mechanical energy is Kinetic energy.

• All the objects which are living beings and all the machinery structure have mechanical energy of their own and is activated as soon as the object moves.
• Kinetic energy is same form of energy that an object has because of its motion. The objects tend to maintain it's kinetic energy till speed of the object is changed.
• Elastic potential energy is totally opposite of the kinetic energy. This energy is also a kind of stored energy which helps to stop the object from motion.
• As the name suggests, gravitational potential energy is the which any object has because of gravitation.

Hence, option (2) is the right answer.