hello I would like to know the formula for force?
What kind of Force? The cause of a Force :
Force by a spring, Force by gravity, Force by electricity,
Force by Pressure, friction Force, air resistance Force,
Force by magnetism, Nuclear Forces ...
What purpose of Force? Effects of a Force :
momentum change, acceleration, Work, compression, ...
i would like to know the formula for the force of gravity?
F = mg = GMm/r where M is mass of earth and r is distance from the center of earth.
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