An engineer wants to design an improved elevator for a building. The original design used a motor that could lift 1000 kg through a distance of 20 meters in 30 seconds. The engineer wants a motor that can lift 800 kg through a distance of 30 meters in 20 seconds. Compared to the old motor, the new motor __________. Explain your answer.
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An engineer wants to design an improved elevator for a building. The original design used a motor that could lift 1000 kg through a distance of 20 meters in 30 seconds. The engineer wants a motor that can lift 800 kg through a distance of 30 meters in 20 seconds. Compared to the old motor, the new motor __________. Explain your answer.
(A) Should exert a force of the same magnitude, but must provide larger power output
(B) Should exert a force of a larger magnitude, and must provide a larger power output
(C) Can exert a force of a smaller magnitude, and can provide a smaller power output
(D) Can exert a force of a smaller magnitude, but must provide the same power output
(E) Can exert a force of a smaller magnitude, but must provide a larger power output.
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