Question #ee5aa

1 Answer
Aditya Banerjee.
Oct 8, 2017

Work done is #9.8J#.

Explanation:

If a block of mass #(m)# slides on an inclined plane making an angle #(theta)# with the horizontal, then the work done by the force of gravity #(g)##rarr#

#color(red)(W=mgcostheta)#.

So, here the work done, #W=2xx9.8xxcos60°# Joules.
#:.W=2xx9.8xx1/2 J#
#:.color(red)(W=9.8J)# (Answer).

Hope it Helps:)

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