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8 April, 12:33

Ted wants to hang a wall clock on the wall by using a string. If the mass of the wall clock is 0.250 kilograms, what should be the tension of the string so that it can sustain the weight of the wall clock?

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  1. 8 April, 12:47
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    The clock is pulling the force towards earth's center because of gravity.

    That force is equal to:

    F = m*g where g is gravitational acceleration.

    We will take that g = 9.81m/s^2

    Now:

    F = 0.25 * 9.81 = 2.4525 N

    The string needs to sustain that force, therefore minimum Force that string has to be able to sustain is:

    2.4525 N
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