A simple pendulum of mass m moves along an arc pf a circl...
A simple pendulum of mass m moves along an arc pf a circle radius R in a vertical plane as shown above. What is the work done by gravity in a downward swing through the angle q to 0 degree
mgR sinθ
MgR (1- cos θ)
mgR
mgR (1 - sinθ)
Correct answer is B
No explanation has been provided for this answer.
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