Physics, 05.05.2020 19:02 ilovecatsomuchlolol

Polly is pushing a box across the floor with a force of 30 N. The force of gravity is 8 N, and the normal force is 8 N. Which
value could describe the force of friction if Polly could not move the box?
-30 N
8N

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Polly is pushing a box across the floor with a force of 30 N. The force of gravity is 8 N, and the n...