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A plate of mass m, length b, and breadth...

A plate of mass `m`, length b, and breadth a is initially lying on a horizontal floor with length parallel to the floor and breath perpendicular to the floor. Find the work done to erect it on its breadth.

A

`m g" (b)/(2)`

B

`m g (a+(b)/(2))`

C

`m g((b-a)/(2))`

D

`m g ((b+a)/(2))`

Text Solution

Verified by Experts

The correct Answer is:
C
`W = mg(h_(2)-h_(1))`
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