1.

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

Answer»

`25 SQRT5` N
`(25)/(sqrt2)` N
`50 sqrt2` N
`(75)/(sqrt2) N`

Answer :B


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