Question

In certain martial arts, people practice breaking a piece of wood with the side of their bare hand. Use your understanding of impulse to explain how this can be done without injury to the hand.

Answer 1

Explanation:

Impulse is defined as the product of force and small change in time. It is denoted by J.

Mathematically, it can be given as :

$J=F\times t$

Where

F is the acting force.

t is the time taken by the force.

Impulse is also equal to the change in momentum. In certain martial arts, people practice breaking a piece of wood with the side of their bare hand. This can be done without any injury to the hand. This is because he applies large force for a short duration of time. As a result, a lager change in momentum takes place.

Answer 2

There is so much force coming at once and adrenaline so you don't feel it