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10 December, 12:30

Joe has a set up in which the length of the load arm is 20cm and the length of the effort arm is 80cm. What is the mechanical advantage of the

Jack?

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Answers (1)
  1. 10 December, 15:35
    0
    4

    Explanation:

    Mechanical advantage = effort arm / load arm

    MA = 80 cm / 20 cm

    MA = 4
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