At time t = 0s, the 50 N crate is sitting at rest on the floor.

There is a coefficient of static friction_s=0.400 between the floor and the crate.

There is a coefficient of kinetic friction_k=0.200 between the floor and the crate.

An applied force F = 12.0 N is acting to on the box to the right.

A) What is the value of the frictional force the box feels at time t = 0?

B) What is the value of thefrictional force the box feels at time t > 0?

Consider the exact same situation, except the applied force is F=24.0 N.

C) What is the value of thefrictional force the box feels at time t = 0?

D) What is the value of thefrictional force the box feels at time t > 0?

E) What is the normal force acting on the box at t> 0?