As I slide a box at constant speed up a frictionless slope,pulling parallel to the slope,the tension in the rope will be:
A)greater than the tension would be if the box were stationary.
B)greater than the weight of the box.
C)equal to the weight of the box.
D)less than the weight of the box.

Question

Quizplus · Accepted Answer

Since there is no friction and the box is moving at a constant speed, the tension in the rope only needs to counteract the component of the box's weight acting parallel to the slope, which is less than the total weight of the box.

As I Slide a Box at Constant Speed Up a Frictionless