B. Give reasons for the following statements.
1. Force does not change the mass of the body.
2. Squeezing a tube is an example of applying force.
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1. because the applied force does not change the composition of matter that is present in the body.
2. When we use dough for making chapatis, when we press the dough with our hands we apply force on the dough which changes its shape. This is because we apply force on the tube while squeezing it.
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