A push of magnitude P acts on a box of weight W as shown in the figure. The push is directed at an angle ? 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.
B)W + P.
C)W + P cos ?.
D)W + P sin ?.
E)W - P sin ?.

Question

A push of magnitude P acts on a box of weight W as shown in the figure. The push is directed at an angle ? 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. 
B)W + P. 
C)W + P cos ?. 
D)W + P sin ?. 
E)W - P sin ?.

Quizplus · Accepted Answer

The Answer of A push of magnitude P acts on a box of weight W as shown in the figure. The push is directed at an angle ? 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. 
B)W + P. 
C)W + P cos ?. 
D)W + P sin ?. 
E)W - P sin ?.

A Push of Magnitude P Acts on a Box of Weight