A Push of Magnitude P Acts on a Box

Multiple Choice

A push of magnitude P acts on a box of weight W as shown in the figure. The push is directed at an angle $\theta$ below the horizontal, and the box remains a rest. The box rests on a horizontal surface that has some friction with the box. The normal force on the box due to the floor is equal to

A) W+P .
B) W .
C) $W - P \sin \theta$
D) $W + P \cos \theta$
E) $W + P \sin \theta$