If you pick a rock up off the ground, what if the action force?
a) the normal force
b) yo...
Chemistry, 21.10.2019 13:30 hermesrobles
If you pick a rock up off the ground, what if the action force?
a) the normal force
b) your hand pulling up on the rock
c) the rock pressing down on your hand
d) friction between the rock and your hand
Answers: 3
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