Questions
A particle is moving in the vertical plane. It is attached at one end of a string of length l whose other end is fixed. The velocity at the lowest point is u. The tension in the string is T and velocity of the particle is at any position. Then, which of the following quantity will remain constant.
detailed solution
Correct option is A
The tension vector T→ is always normal to velocity vector. Hence T→ .v→ is always zero.Talk to our academic expert!
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