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The PE of three objects of masses 1kg,2k...

The `PE` of three objects of masses `1kg,2kg` and `3kg` placed at the three vertices of an equilateral triangle of side `20cm` is

A

`25G`

B

`35G`

C

`45G`

D

`55G`

Text Solution

Verified by Experts

The correct Answer is:
D
`GPE(U)=-(Gm_(1)m_(2))/(r_(12))` Use, `U_(net)=U_(1)+U_(2)+U_(3)`
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