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Physics

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I'm trying to help my 7th grader with homework and I don't know this stuff.

How do you figure word problems based on newton's 2nd law.

one problem is: What is the acceleration of a ball if a force of 20N is applied to the 8kg ball?

  • Physics -

    Newtons second law is Force=mass(acceleration)

    F= 20 N
    m= 8 kg

    Newton (N)= kg.m/s^2

    20N=8kg(a)
    a=2.5 m/s^2

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