Question

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

Answer 1

-30 N....(A)

Step-by-step explanation:

hope this helps, the person above me is also correct

Answer 2

A. -30 N

Step-by-step explanation:

not sure but if the box isn't moving then the force opposite of Polly would be equal to the force she's exerting.