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21 coplanar non collinear forces (all of...

`21` coplanar non collinear forces (all of equal magnitude) maintain a body in equilibrium, then angle between any two adjacent forces is

A

`15^(@)`

B

`30^(@)`

C

`45^(@)`

D

`60^(@)`

Text Solution

Verified by Experts

The correct Answer is:
B
Required angle `=(2pi)/12=360/12=30^(@)`
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