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17 April, 15:00

the goat weighs 900 N and is 1 meter from the fulcrum. The strongman pulls down on the lever 3 meters from the fulcrum. What is the smallest effort that the strongman can use to lift the goat.

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  1. 17 April, 18:53
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    Answer: The smallest effort = 300N

    Explanation:

    Using one of the condition for the attainment of equilibrium:

    Clockwise moment = anticlockwise moments

    900 * 1 = 3 * M

    Where M = the weight of the strong man

    3M = 900

    M = 900/3 = 300N

    Therefore, 300N is the smallest effort that the strongman can use to lift the goat
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