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Pseudo force

A block of mass m is placed on a smooth inclined wedge A B C of inclination θ as shown in the figure. The wedge is given an acceleration a towards the right. The relation between a and θ for the block to remain stationary on the wedge is


In non-inertial frame,

Nsinθ=ma             ........(i)

Ncosθ=mg            .........(ii)

From (i) and (ii),


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