Question

a karate player can brake a pile of tiles in a single blow

Answer 1

a karate player can brake a pile of tiles in a single blow because his hand during that time period act as a sharp object and also it has less surface area. Also, he is exerting a huge pressure on the pile of tiles with his hand. Hence, his hand covers less surface area so it gain more pressure.

hope this will help

Answer 2

Explanation:

The Karate Player uses his full body strength to break it, when he takes back his hand to hit the slab of ice the momentum acts and with full force the slab ice broke with a single blow-