A student pulls on a rope attached to a box of books and moves the box down the hall. The student pulls with a force of 105 N at an angle of 25.0o. The box has a mass of 15.0 kg, and µk between the box and floor is 0.27. Find the acceleration of the box. (Free body diagram on next page to help.) a: Find the x and y components of the students applied force. (There should be two answers here)
b; Find the Fnormal by adding all the y forces together and solving for Fn.
c: Calculate the force of kinetic friction on the box: Fk = µk Fn
d: Find the acceleration using Newton’s Second law F = ma