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8 April, 10:11

Using simple rearrangement of Newton's second law, show that a net force of 77 N exerted on a 11-kg package is needed to produce an acceleration of 7.0 m/s2.

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  1. 8 April, 11:06
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    A net force of 11 kg is needed to produce an acceleration of 7.0 m/s²

    Explanation:

    Newton's Second Law: It states that the the rate of change of momentum of a body, is directly proportional to the applied force, and takes place along the direction of the the force.

    From Newton's second law of motion, we can deduced that,

    F = ma ... Equation 1.

    Where F = Net force acting on the package, m = mass of the package, a = acceleration of the page.

    From the question, when

    F = 77 N, m = 11 kg.

    a = F/m

    a = 77/11

    a = 7 m/s².

    From the above, a net force of 11 kg is needed to produce an acceleration of 7.0 m/s²
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