A 600 Kg Box Slides Up a 8

question 40

Multiple Choice

A 6.00 kg box slides up a 8.00 m long friction incline at an angle of 30.0 degrees by a force 50.0 N parallel to the incline.The coefficient of kinetic friction is 0.100.The work done against friction is

• A) 22.0 J.
• B) 26.5 J.
• C) 30.3 J.
• D) 35.2 J.
• E) 40.7 J.