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Answer to Question #9654 in Mechanics | Relativity for kapil

Question #9654
state the relation between mass and inertia.
Expert's answer
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 F/M. A body's mass also determines the degree to which it generates or is affected by
agravitational field. If a first body of mass MA is placed at a distance r from a second body of mass MB, each body experiences an attractive force FG whose magnitude is FG =GMAMB/r2, where G is the universal constant of gravitation, equal to 6.67×10−11 N·m2·kg−2. This is sometimes referred to as gravitational mass.[note 1] Repeated experiments since the 17th century have demonstrated that inertial and
gravitational mass are equivalent; since 1915, this observation has been
entailed a priori in the equivalence principle of general relativity.

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