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Physics-

General

Easy

Question

A block of mass m slides down on a wedge of mass M as shown in figure. Let $stack a with rightwards arrow on top subscript 1 end subscript$ be the acceleration of the wedge and $stack a with rightwards arrow on top subscript 2 end subscript$ the acceleration of block. N1 is the normal relation between block and wedge and N2 the normal reaction between wedge and ground. Friction is absent everywhere. Select the correct alternative (s)

N₂ < (M + m) g
N₁ = m (g cos q - | ${\vec{\begin{matrix} a \end{matrix}}}_{1}$ | sin q)
N₁ sin q = M | ${\vec{a}}_{1}$ |
$m {\vec{a}}_{2} = - M {\vec{a}}_{1}$

The correct answer is: N₂ < (M + m) g

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