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A block of mass m is suspended by a ligh...

A block of mass m is suspended by a light thread from an elevator. The elevator starting from rest is accelerating upward with uniform acceleratio a. The work done by tension on the block during t seconds is

A

`m/4[g+a]at^(2)`

B

`m[g+a]at^(2)`

C

`m/2[g+a]at^(2)`

D

`2m[g+a]at^(2)`

Text Solution

Verified by Experts

The correct Answer is:
B
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