Work Energy And Power Question 326

Question: A block of mass m is pulled by a constant power P placed on a rough horizontal plane. The friction coefficient between the block and the surface is IF3 . Maximum velocity of the block will be

Options:

A) μpmg

B) μmgp

C) μmgp

D) pμmg

Show Answer

Answer:

Correct Answer: D

Solution:

[d]
P=F.V=constant When F=μmg net force on block becomes zero, i.e., it has maximum or terminal velocity

p=(μmg)Vmax

Vmax=Pμmg



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