Question

1. which of the following diagrams correctly shows the normal force on the block of wood sliding down the incline? a. b. c. d.

Explanation:

The normal force is perpendicular to the surface of the incline. In option a, the force is vertical (not perpendicular to the incline). In option b, the force is vertical (not perpendicular to the incline). In option d, the force is not perpendicular to the incline. Only option c shows a force perpendicular to the surface of the incline.

Answer:

c.