WAEC Physics 2017 Theory — Question 15

Question 15 of 33 from the West African Examinations Council (WAEC) Physics 2017 Theory paper, with the correct answer and a full explanation.

9(b) Sketch a block and tackle system of pulleys with a velocity ratio of 3.

Model answer

A block and tackle system of pulleys with V.R=3 will have 3 pulleys, but 2 of the pulleys will be fixed while one will be movable.

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