of 12 A 2.360 kg block of wood rests on a steel desk. The coefficient of static friction between the block and the desk is #, = 0.455 and the coefficient F of kinetic friction is uk = 0.355. At time t = 0, a force F = 6.48 N is m Macmillan Learning applied horizontally to the block. State the force of friction applied to the Us, K block by the table at times t = 0 and t > 0. 1 = 0 N t > 0 N Consider the same situation, but this time the external force F is 13.1 N. Again, state the force of friction acting on the block at times t = 0 and t > 0. 1 = 0 N 1>0 N