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Physics - W.E.P. Question with Solution | TestHub

PhysicsW.E.P.Work kinetic energy theoremMedium2 min

PhysicsMediumsingle choice

A block weighing 40 N travels down a smooth fixed curved track AB joined to a rough horizontal surface (figure). The rough surface has a friction coefficient of 0.10 with the block. If the block starts slipping on the track from a point 2.0 m above the horizontal surface, the distance it will move on the rough surface is

Options:

Answer:

Solution:

Apply work energy theorem $W_{f} + W_{g} = Δ KE$

$\Rightarrow - μ mg S + mgh = 0 \Rightarrow S = \frac{2}{0.1} = 20 m$

Stream:JEESubject:PhysicsTopic:W.E.P.Subtopic:Work kinetic energy theorem

⏱ 2m

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