Question in picture, just want to confirm answer.
Is the answer B?

When considering gravity acceleration and the force of acceleration, what must be true? a. the direction of acceleration must be perpendicular to the direction of the force. b. the direction of the force and the direction of acceleration must be the same as each other. c. the direction of the force and the direction of acceleration must be opposite of each other. d. the mass of the body must be the same as the acceleration of the body.

What are the dimensions of the cross section that passes through the points a, f, g, and d?

What energy transformations occur each time the skateboarder rolls up the ramp?