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 friction force on the box due to the floor is equal to
A)P sin ?
B)P cos ?
C)0
D)P cos ? + W
E)P + W

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 friction force on the box due to the floor is equal to 
A)P sin ? 
B)P cos ? 
C)0 
D)P cos ? + W 
E)P + W

Quizplus · Accepted Answer

The Answer is B

A Push of Magnitude P Acts on a Box of Weight