Question

What is the coefficient of friction on a 221.9 gram block of wood with 150 grit sandpaper on the bottom being pulled by .392 newtons. NEED HELP IMMEDIATELY!!!!!! Please and thank you

Answer 1

If .392 Newtons is pulling it at constant speed then the friction is equal and opposite to the pull
.392 = mu m g = mu (.2219)(9.81)