Can We Destroy Every Energy Associated with a Body?

Can we destroy every energy associated with a body?

One Line Answer

No, we cannot destroy energy associated with a body.

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Chapter 1: Force, Work, Energy and Power - Exercise 1.5 ii [Page 54]

Chapter 1 Force, Work, Energy and Power
Exercise 1.5 ii | Q 5 | Page 54

Why is a jack screw provided with a long arm?

A coolie is moving on a road with a luggage on his head. Does he perform work against the force of gravity? Give reason for your answer.

A man lifts a mass of 20 kg to a height of 2.5 m. Assuming that the force of gravity on 1 kg mass is 10 N, find the work done by the man.

State the energy transformation on the following:

Electricity is obtained from solar energy.

How much work is done by the gravitational force of earth acting on a satellite moving around it in a circular path? Give reason for your answer.

Why is the work done on an object moving with uniform circular motion zero?

What is meant by a translational motion? Give one example.

Is work done a scalar or a vector physical quantity?

Calculate the work done when:
A 5 kg weight is lifted 10 m vertically. (g = 9.8 m/s²)