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Standard XII

Physics

Problem Solving

A body is slo...

Question

A body is slowly lowered on a massive platform moving horizontally at a speed of $4 m / s$ , through what distance will the body slide relative to the platform? (in m) [ The coefficient of friction is $0.2$ ]

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Solution

The correct option is A $4$
We know that
$v^{2} = u^{2} + 2 a s$
putting
v = 0
u = 4 m/s
and a = μg
and solving
distance s = 4 m.

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A body is slowly lowered on a massive platform moving horizontally at a speed of 4m/s, through what distance will the body slide relative to the platform? (in m) [ The coefficient of friction is 0.2]

The correct option is A 4We know thatv2=u2+2asputtingv = 0u = 4 m/sand a = μgμgand solvingdistance s = 4 m.

A body is slowly lowered on a massive platform moving horizontally at a speed of $4 m / s$ , through what distance will the body slide relative to the platform? (in m) [ The coefficient of friction is $0.2$ ]

The correct option is A $4$
We know that
$v^{2} = u^{2} + 2 a s$
putting
v = 0
u = 4 m/s
and a = μg
and solving
distance s = 4 m.