During an experiment, a student gradually lowers the angle of an ideal ramp while pulling a toy cart to the same height. What observation should the student expect?

Question

During an experiment, a student gradually lowers the angle of an ideal ramp while pulling a toy cart to the same height. What observation should the student expect? — Exam MCQ

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B. The force required decreases. — The correct choice is The force required decreases.. It follows from the relevant Newtonian mechanics, motion, work, energy, power or simple-machine relationship.

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A. The force required increases.

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C. The force required remains constant.

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D. The cart gains less potential energy.

During an experiment, a student gradually lowers the angle of an ideal ramp while pulling a toy cart to the same height. What observation should the student expect?

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