,
A block of mass 20kg is pulled up a slope
by , applying a force acting parallel
to the slope. If the work done in pulling
the lood up a distance of 3m. What is the
increase in potential energy of the block?
frictional force is 0and g=10m/s
Answers
Answered by
2
Explanation:
i) W = F ´ s = (20 ´ 10) ´ 4 = 800J
ii) Potential Energy = 50 ´ 10 ´ 3 = 1500J
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