a 70 kg box slides along the floor by a 400N force. the coefficient of friction between the box and the floor is 0.50 when the box is sliding. find the acceleration of the box.

Answer 1

Use Fnet = M*a and solve for a

Fnet = Fapplied - Ffriction

Ffriction = M*g*mu_k = 343 N

Put it all together