Question: A skateboarder on a ramp is accelerated by a nonzero net force. For each of the following statements, state whether it is always true, never

A skateboarder on a ramp is accelerated by a nonzero net force. For each of the following statements, state whether it is always true, never true, or sometimes true.
(a) The skateboarder is moving in the direction of the net force.
(b) The acceleration of the skateboarder is at right angles to the net force.
(c) The acceleration of the skateboarder is in the same direction as the net force.
(d) The skateboarder is instantaneously at rest.

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