Question

An object ‘P’ of mass ‘m’ is lifted from a point A on the ground to point B at a height ‘h’

above the earth by Rina and Mita, but the path taken by both of them for doing it is different


a. in the above given cases, which force is doing positive work and which one is

doing negative work?

b. Explain the energy transformation when the box is made to fall freely.

c. Calculate the work done in both the situations.

​

Answer 1

Answer:

ਨੌਰੰਗਪੁਰ ਜਫਗਜਸ਼ੈੜ ਬਾੜੀਆ ਇਨਾਮ ਐਲਾਨ

Explanation:

ਏਪਖੇੜੈਐ ਐਡੈਫੈਂ ਐਡੇਫੈਂਐਐ ਐਡੈਠੈੜੈੰ ਇ। ਜੇਕਰ ਉਹ ਉਸ ਲਈ ਬਹੁਤ ਮਿਹਨਤ ਕਰ ਲਏ ਸਨ ਜਿਸ ਆਫ ਉਹ ਇਸ ਫਿਲਮ ਲਈ ਉਸ ਵਿਚ ਇਕ