Short answerEasy1 mark
5(b)
From the diagram given below, answer the questions that follow:
What effort has to be applied at C to just raise the load L = 20 kgf? [3] (Neglect the weight of pulley A and friction).
Topic: Machines, levers and pulleys
Previous-year question practice database
Answer
Exam answer
10 kgf.
Explanation
For an ideal single movable pulley, MA = 2, so E = 20/2 = 10 kgf.
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