Q30 of 54 Page 135

What do you understand by mechanical energy conservation?

According to the law of conservation of mechanical energy, the mechanical energy of the body remains constant. If the kinetic energy increases then h potential energy will decrease and vice versa.


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28

What is potential energy? If the spring constant of a standard spring is K and the spring is compressed to x distance. Find the formula to calculate earned potential energy.

 29

An object is moving with constant speed v. The mass of an object is m then how much work will be done to bring the object in rest position?

 31

An object is falling freely from a height? Its potential energy decreases. How the process of mechanical energy conservation takes place in the action?

 32

How the energy dissipation takes place?