Fill in the following blanks with suitable words :
(a) To every action, there is an _______ and _ reaction.
(b) Momentum is a _ quantity. Its unit is _.
(c) Newton’s second law of motion can be written as Force = mass × _ or Force = _ of change of _.
(d) Forces in a Newton’s third law pair have equal _ but act in opposite _.
(e) In collisions and explosions, the total _ remains constant, provided that no external _______ acts.

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Solution

(a) To every action, there is an equal and opposite reaction.
(b) Momentum is a vector quantity. Its unit is kg.m/s.
(c) Newton’s second law of motion can be written as Force = mass × acceleration or Force = rate of change of momentum.
(d) Forces in a Newton’s third law pair have equal magnitude but act in opposite directions.
(e) In collisions and explosions, the total momentum remains constant, provided that no external force acts.

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Similar questions

Newton’s third law of motion states that for every action, there is an equal and opposite reaction.

Which of the following statement can be inferred from the above-mentioned law of motion?

Statement 1 $:$ In every interaction, there is a pair of forces acting on the two interacting objects.

Statement 2 $:$ The magnitude of the force on the first object equals the magnitude of the force on the second object.

Statement 3 $:$ Forces always come in pairs - equal and opposite action-reaction force pairs.

Statement 4 $:$ Force and reaction act on the same body.

Statement 5 $:$ Force and reaction act on two different bodies.

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