A block of mass \( m \) is placed on a smooth wedge of inclination ...

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A block of mass \( m \) is placed on a smooth wedge of inclination \( \theta \). The whole system is accelerated
\( \mathrm{P} \) horizontally so that the block does not slip on the

W wedge. The force exerted by the wedge on the block ( \( g \) is acceleration due to gravity) will be:
(1) \( m g \sin \theta \)
(2) \( m g \)
(3) \( m g / \cos \theta \)
(4) \( m g \cos \theta \)
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