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Question

A person in a wheelchair is moving up a ramp at constant speed. Their total weight is 900N. The ramp makes an angle of 37o with the horizontal. Calculate the component of its weight parallel and perpendicular to the ramp.
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A
Component of weight parallel to ramp W=900sin37o
Component of weight perpendicular to ramp W=900cos37o=520N
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B
Component of weight perpendicular to ramp W=900sin37o
Component of weight parallel to ramp W=900cos37o=720N
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C
Component of weight parallel to ramp W=900sin37o
Component of weight perpendicular to ramp W=900cos37o=420N
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D
Component of weight parallel to ramp W=900sin37o
Component of weight perpendicular to ramp W=900cos37o=320N
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Solution

The correct option is B Component of weight perpendicular to ramp W=900sin37o
Component of weight parallel to ramp W=900cos37o=720N
Component of weight perpendicular to ramp =900cos370
Component of weight parallel to ramp =900sin370
Hence,
option B is correct answer

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