A 75.0 kg box is sliding down a ramp at a constant velocity. The ramp makes an angle of 15.0 degrees above the horizontal direction. Which one of the following forces has the greatest magnitude?
A. Kinetic friction force on the box.
B. Weight of the box.
C. Normal force of the ramp on the box.
D. (Not enough information is given to determine this.)
Answer:B
A 75.0 kg box is sliding down a ramp at a constant velocity. The ramp makes an angle of 15.0 degrees above the horizontal direction. Which one of the following forces has the greatest magnitude?
A. Kinetic friction force on the box. B. Weight of the box. C. Normal force of the ramp on the box. D. (Not enough information is given to determine this.)