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Rashmi Sharma

· started a discussion

· 1 Months ago

it should be reaction.......beacause every action have equal and opposite reaction

Question:
A person is hurt on kicking a stone due to –
Options:
A) Inertia 
B) Velocity 
C) Reaction 
D) Momentum 
Solution:
When we kick a stone, our foot is suddenly stopped . In other words, the time in which the foot comes to rest is very small. When time factor is small, force on our foot (i.e. rate of change of momentum) is large and we get hurt.

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