Questions
When the bob of a simple pendulum swings, the work done by tension in the string is:
a
>0
b
<0
c
zero
d
maximum
detailed solution
Correct option is C
Tension in the string is along the radius of circular path adopted by the bob wile displacement of the bob is along the circumference of the path; hence angle between F→ and s→ is always 900 and so W = 0.Talk to our academic expert!
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