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Question

A person in a wheelchair is moving up a ramp constant speed. Their total weight is 900N. The ramp makes an angle 37 with the horizontal. Calculate the component of its weight parallel and perpendicular to the ramp.


A

540 N and 720 N respectively

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B

420 N and 540 N respectively

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C

320 N and 980 N respectively

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D

680 N and 920 N respectively

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Solution

The correct option is A

540 N and 720 N respectively


Component of weight parallel to ramp = 900 sin 37 = 540 N
Component of weight perpendicular to ramp = 900 cos 37 = 720 N


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