A load of 800 N is lifted at a height of 8m using a wooden plank with the slope 10 m applying 500 N effort. Calculate M.A, V.R and efficiency of the plank.

A load of 800 N is lifted at a height of 8m using a wooden plank with

1.	A load of 800 N is lifted at a height of 8m using a wooden plank with the slope 10 m applying 500 N effort. Calculate M.A, V.R and efficiency of the plank.
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A load of 800 N is lifted at a height of 8m using a wooden plank with the slope 10 m applying 500 N effort. Calculate M.A, V.R and efficiency of the plank.

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