A body of mass 2kg is released from rest on a plane inclined at an angle of 60° to the horizontal. Calculate the acceleration of the body down the plane.[g = 10ms(^{-2})]
-
A.
3.1ms-2 -
B.
5.2ms-2 -
C.
6.0ms-2 -
D.
8.7ms-2
Correct Answer: Option D
Explanation
a = g sin (theta)
= 10 sin 60
= 8.7 ms(^{-2})