A block is released from rest on a smooth plane inclined at to the horizontal

PHYSICS · Single correct · CBSE · Physics · Laws of Motion · Laws of Motion

Problem

5\,\text{kg}

block is released from rest on a smooth plane inclined at

30^\circ

to the horizontal. Take

g = 9.8\,\text{m/s}^2

. The magnitude of its acceleration along the plane is (a)

5.7\,\text{m/s}^2

(b)

4.9\,\text{m/s}^2

(c)

8.5\,\text{m/s}^2

(d)

2.5\,\text{m/s}^2