1.

A body of mass 5 kg is placed on a rough horizontal surface of coefficient of static horizontal surface of coefficient of static friction (1)/(3). The least pulling force to the applied on the body atan angle 45^(@) with the horizontal to slide it, it ___________ (g=10 ms^(-2))

Answer»

`25sqrt(5)N`
`(25)/(sqrt(2))N`
`50sqrt(2)N`
`(75)/(sqrt(2))N`

ANSWER :B


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