The work done:
F = mg = (25)(9.81) = 245.25 N
The force is vertically downwards since it is due to gravity.
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
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