1.

A simple pendulum of length 'l' carries a bob of mass 'm'. When the bob is at its lowest position, it is given the minimum horizontal speed necessary for it to move in a vertical circle about the of suspension. When the string is horizontal, the net force on the bob is

Answer»

`MG`
`3MG`
`SQRT(10) mg`
`4 mg`

ANSWER :C


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