Question

with what minimum acceleration mass M must be moved on frictionless surface so that m remains stick to it as shown? the coefficient of friction between M and m is u​

Answer 1

N = Normal reaction

N = ma

Friction = μN = μma

Friction = mg = μma

a = g/μ

Here, mg or the weight of the small block is balanced by the frictional force and

Normal reaction is given by the pseudo force ma

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