A machine lifts a 1500 N load using an effort of 250 N. Due to friction, the effort required later becomes 375 N while lifting the same load. Which statement is correct?

Question

A machine lifts a 1500 N load using an effort of 250 N. Due to friction, the effort required later becomes 375 N while lifting the same load. Which statement is correct? — Exam MCQ

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C. Effort increased by 50% while load remained unchanged — The correct choice is Effort increased by 50% while load remained unchanged. It follows from the relevant Newtonian mechanics, motion, work, energy, power or simple-machine relationship.

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A. Load increased by 50%

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B. Effort decreased by 50%

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D. Load and effort both increased by 50%

A machine lifts a 1500 N load using an effort of 250 N. Due to friction, the effort required later becomes 375 N while lifting the same load. Which statement is correct?

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