1.

A block of mass m is given an initial downward velocity v_(0) and left on inclined place ( coefficient of friction =0.6). The block will

Answer»

continue of move down the plane with constant velocity `v_(0)`
accelerate downward
decelerate and COME to rest
first accelerate downward then decelerate

Solution :( c) `f_("MAX")=mu mg COS thet=0.6xxmgxx(sqrt(3))/(2)=0.52 mg `

SINCE ,`f_("max")gt mg sin theta`
Block will decelerate and come to rest.


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