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

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

Problem

2\,\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

. Calculate the acceleration of the block down the plane. (a)

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

(b)

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

(c)

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

(d)

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