William finds a boxed set with a mass of 2.3 kg in his car. He is with his friends and they have too much things in their own hands so they tuck the boxed set under their arm. If his friend was wearing a long sleeved shirt and the coefficient of static and kinetic friction between the books and shirt are = 0.48 and = 0.37, what force does the student need to exert with their arm in order to keep the books from falling? Assume the books are firmly wedged between the will friend's arm and body and that the student's hands are not holding onto the books. Show work