Normal force direction on incline · PhysicsBowl 2025 #32
Physics · mechanics
Problem
In the diagram on the right, a ball is rolling down an incline. The direction of the normal force that the incline exerts on the ball is…
a. perpendicular to the surface.
b. about 75 degrees measured from the surface.
c. parallel to the surface.
d. about 115 degrees measured from the surface.
e. about 180 degrees measured from the surface.
[Figure: Ball rolling down incline referenced but not shown]