A 40-Kg Block Is Lowered Down a 37 $\degree$ Incline a Distance of 5

Multiple Choice

A 4.0-kg block is lowered down a 37 $\degree$ incline a distance of 5.0 m from point A to point B.A horizontal force (F = 10 N) is applied to the block between A and B as shown in the figure.The kinetic energy of the block at A is 10 J and at B it is 20 J.How much work is done on the block by the force of friction between A and B?

A) -58 J
B) -53 J
C) -68 J
D) -63 J
E) -47 J