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physics help 2 please!!

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Mass A (7 kg) and mass B (10 kg) sit on the ground, 2 m apart.

a.) What is size of the the gravitational force:
on A from B? N
on B from A? N
b.) What is the size of the gravitational force:
on A from the Earth? N
on B from the Earth? N

once again, i am using the wrong equation! please help...

  • physics help 2 please!! - ,

    GravityForce=G*MA*MB/distance^2

  • physics help 2 please!! - ,

    To do part b, you will need the radius of the Earth, not the distance between A and B. OR you can just multiply the mass (A or B) by g.

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