Physics
Grade-10
Easy
Question
“We can derive the law of conservation of momentum from second law of motion.”
This statement is ____.
- True
- False
Hint:
Newton's second law of motion states that in an isolated system the total momentum remains the same.
The correct answer is 'True'.
According to Newton's second law of motion, force = change in momentum / change in time.
In an isolated system net force is zero so change in momentum is zero; this means change in momentum is zero when external force is zero i.e. in an isolated system change in momentum is zero which proves the law of conservation of momentum.
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