Question

Billy stands on a hill without slipping. In which direction is the force of friction acting?

A. along the surface of the hill, toward the bottom of the hill.
B. perpendicular to the surface of the hill
C. straight up
D. Along the surface of the hill toward the top of the hill.​

Answer 1

D. Along the surface of the hill toward the top of the hill.​

Answer 2

Answer: D. Along the surface of the hill toward the top of the hill.​

Hope I helped you!