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A rectangular plank of mass m(1) and hei...

A rectangular plank of mass `m_(1)` and height a is on a horizontal surface. On the top of it another rectangular plank of mass `m_(2)` and height b is placed. The potential energy of the system is

A

`(m_(1)+m_(2))((a+b))/2g`

B

`[(m_(1)+m_(2))/2a=m_(2)b/2]g`

C

`[((m_(1))/2+m_(2))a+m_(2)b/2]g`

D

`[((m_(1))/2+m_(2))a+m_(1)b/2]g`

Text Solution

Verified by Experts

The correct Answer is:
C
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