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A light inextensible string that goes over a smooth fixed pulley as shown in the figure connects two blocks of masses  and . Taking , find the work done (in joules) by the string on the block of mass  during the first second after the system is released from rest

a)

b)

c)

d)



Question ID - 50951 | SaraNextGen Top Answer

A light inextensible string that goes over a smooth fixed pulley as shown in the figure connects two blocks of masses  and . Taking , find the work done (in joules) by the string on the block of mass  during the first second after the system is released from rest

a)

b)

c)

d)

1 Answer
127 votes
Answer Key / Explanation : (c) -

(c)

In the given condition tension in the string

And acceleration of each block

Let ‘S’ is the distance covered by block of mass  in first sec

 Work done by the string

127 votes


127