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Question: A stone of mass 0.5 kg tied with a string of length 1 metre is moving in a circular path with a spee...

A stone of mass 0.5 kg tied with a string of length 1 metre is moving in a circular path with a speed of 4 m s–1.The tension acting on the string in newton is –

A

2

B

8

C

0.2

D

0.8

Answer

8

Explanation

Solution

T = mv2r\frac{mv^{2}}{r}