Question

what is mass? Give me any examples
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Answer 1

Answer:

Mass is a both the property of physical body and measure of its resistance to acceleration when a net force is applied

Answer 2

Answer:

Mass is a measure of how much stuff an object has. Mass is a scalar quantity; therefore, it only gives us information about the magnitude or the amount of stuff in an object.

(or)

Mass is a scientific measure of the amount of matter an object is made up of. No matter where you are at given moment in time, mass is constant.

example:

Mercury's mass :  (3.302 x 1023 kg)

Venus mass is (4.8685 x 1024 kg)