Question

What is net force on the bob, at equilibrium position?

Answer 1

• The linear displacement from equilibrium is s, the length of the arc. Also shown are the forces on the bob, which result in a net force of −mg sinθ toward the equilibrium position—that is, a restoring force.
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Answer 2

Explanation:

the linear displacements from equilibrium is,the length of the arc.......

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