Work On Inclined Planes Video Lessons

Concept

# Problem: A 25 kg air compressor is dragged up a rough incline from r⃗  1=(1.3ı^+1.3ȷ^)m to r⃗  2=(8.3ı^+4.1ȷ^)m, where the y-axis is vertical. How much work does gravity do on the compressor during this displacement

###### FREE Expert Solution

The work done:

$\overline{){\mathbf{W}}{\mathbf{=}}{\mathbf{F}}{\mathbf{·}}{\mathbf{S}}}$

F = mg = (25)(9.81) = 245.25 N

The force is vertically downwards since it is due to gravity.

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###### Problem Details

A 25 kg air compressor is dragged up a rough incline from r⃗  1=(1.3ı^+1.3ȷ^)m to r⃗  2=(8.3ı^+4.1ȷ^)m, where the y-axis is vertical. How much work does gravity do on the compressor during this displacement