A skateboarder is pushed forward by a constant horizontal force
PHYSICS · Single correct · A Level · Physics · Mechanics and materials · Mechanics and materials
Problem
A skateboarder is pushed forward by a constant horizontal force. If her speed doubles while the force remains the same, how does her power output change?
(a) It becomes half as much.
(b) It becomes four times as much.
(c) It becomes twice as much.
(d) It remains the same.