concept of point mass in simple and easy words
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Mass is both a property of a physical body and a measure of its resistance to acceleration when a net force is applied. An object's mass also determines the strength of its gravitational attraction to other bodies. The basic SI unit of mass is the kilogram
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defination of mass mass measure the quantity of matter regardlesof both its location in the universe andthe gravational forced,applied to it an object s mass is constant in all circumsta
nces contrastthis with it weight a force depends on gravity on the earth and the moon identical
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