The force applied by gravity on the piano is mg.
This force has both horizontal and vertical components.
Chadwick needs to push the piano up a ramp and into a moving van. (Intro 2 figure)
Is Chadwick strong enough to push the piano up the ramp alone or must he get help? Estimate the force needed to push the piano up the ramp. Neglect friction.
Determine the object of interest for this situation.
For this situation, you should draw a free-body diagram for the piano
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