a block of mass 9 kg slides down an inclient plane of inclination 60 degree.find the work done by the force of gravity as the block slides through 1m.please explain it. with answer
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The work done by gravitational force is
W=mgh=9×10×1=90J
1-Gravitational force is a conservative force ,hence it does not depend upon the path followed by the body.
2-Hence, the work done will be simply equal to
w=mgh
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