A Push of Magnitude P Acts on a Box of Weight

question 13

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 θ 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 θ.
• D)W + P sin θ.
• E)W - P sin θ.

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