Question

1] ___ provides the measure of inertia of a body.
2] A rocket works on the principle of conservation of ___.
3] The collision and explosions, the total ___ remains constant, provided that no external___ acts.
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Answer 1

Answer:

1- mass

2-momentum

3-momentum , force

Explanation:

Answer 2

Answer:

1) gravitation

2) Law of conservation of energy

3)Mass and Force