If we apply gradual force on a brick with our foot it moves easily but if we kick it our foot gets hurt
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When we kick the brick, the force applied acts over a short time and this is known as impact.
Impact is a very high force with a bigger magnitude.
When we compare it to the gradual force, we realise it is larger than the gradual force.
The foot gets hurt because :
According to Newton's third law of motion, for every action there is an equal and opposite reaction.
The impact force acts on the foot and hence the foot gets hurt.
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