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vardaan kumar Grade: 11
        

A LIGHT INEXTENSIBLE STRING THAT GOES OVER A SMOOTH FIXED PULLEY CONNECTS TWO BLOCKS OF MASSES 0.36kg AND 0.72kg. TAKING g=10m/s2 find WORK DONE BY THE STRING ON THE BLOCK OF MASS 0.36kg DURING FIRST SECOND AFTER SYSTEM IS RELEASED FROM REST.


SIR, IS IT IMPORTANT THAT FOR WORK DONE, TENSION SHOULD BE CALCULATED INSTEAD OF USING F=ma.

7 years ago

Answers : (2)

Ramesh V
70 Points
										

7557-509_5850_Untitled.jpg


for work done, tenasion shld be calculated


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regards


Ramesh

7 years ago
Dhsj
13 Points
										Answer is 20J Plz help cause its become difficult to understand  why 20J  I saw the answer in sheet given to me So pls tell me why 20 and not 8
										
one month ago
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