A man pulls a sled at a constant velocity across a horizontal snow surface.If a force of 85 N is being applied to the sled rope at an angle of 56° to the ground,what is the force of friction between sled and snow?
A)85 N
B)70 N
C)48 N
D)5 N
E)43 N

Question

A man pulls a sled at a constant velocity across a horizontal snow surface.If a force of 85 N is being applied to the sled rope at an angle of 56° to the ground,what is the force of friction between sled and snow?
A)85 N
B)70 N
C)48 N
D)5 N
E)​43 N

Quizplus · Accepted Answer

The horizontal component of the force is responsible for overcoming friction. This component is 85 N * cos(56°), which approximately equals 48 N. Since the sled moves at constant velocity, the force of friction equals this horizontal component.

A Man Pulls a Sled at a Constant Velocity Across