Short answerEasy1 mark
6(iii)(b)
Given are two pulleys. If Load = 48 kgf and efficiency is 80% then calculate :
Effort needed to lift the load
Topic: Effort in a machine
Question wording verified against source paper
Answer
Exam answer
30 kgf.
Explanation
MA = Load/Effort, so Effort = 48/1.6 = 30 kgf.
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