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A metal sphere is a string fixed to a wa...

A metal sphere is a string fixed to a wall. The forces acting on the sphere are shown in figure. Which of following statements are correct.

A

a,b,c

B

b,c,d

C

a,b,d

D

a,b,c,d

Text Solution

Verified by Experts

The correct Answer is:
C
`T=costheta=W`
`T sin theta=R`
`tan theta=(R)/(W)`
`T^(2)=R^(2)+W^(2)`
also as for equilibrium `vecR+vecT+vecW=0`
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