Question

A wooden blocks of mass m is kept on smooth inclined plane . Will it accelerate in downward direction if yes then find expression for acceleration

Answer 1

Answer:

Explanation:

Analysis of forces on m relative to the inclined plane

If the motion of m is analyzed from the view point of an observer standing on the inclined plane (i.e., relative to the plane), its acceleration is 0 and the forces acting on it are : its weight. the normal reaction and a pseudo force of magnitude mA towards left.

       mAsinθ=mAcosθ

⇒  A=gtanθ

Also: N=mgcosθ+mAsinθ

       mgcosθ+mgtanθsinθ=  

cosθ

mg

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