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A body covered a distance of L m along a...

A body covered a distance of `L m` along a curved path of a quarter circle. The ratio of distance to displacements.

A

`400 N` in the upward direction

B

`300 N` in the upward direction

C

`200 N` in the upward direction

D

`500 N` in the upward direction

Text Solution

Verified by Experts

The correct Answer is:
C
`underset(*)(uarr)a_(b)=20 m//s^(2), overset(*)(darr)a_(D)=10 m//s^(2)`
`a_(bD)=30 m//s^(2) uarr`
`:.` Force acting on a body `=10xx20=200N`
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