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The inertial mass of an object determines its acceleration in the presence of an applied force.
According to Newton's second law of motion, if a body of fixed mass M is subjected to a force F, its acceleration α is given by < sup > F </ sup >/< sub > M </ sub >.
A body's mass also determines the degree to which it generates or is affected by a gravitational field.
If a first body of mass M < sub > A </ sub > is placed at a distance R from a second body of mass M < sub > B </ sub >, each body experiences an attractive force F < sub > g </ sub >

1.870 seconds.