Question

some people in cold countreis wear big wide snow shoes which look little like tennic racquets

Answer 1

Bcz they are suffering from extreme cold in order to save them selfs they use such shoes

Answer 2

HERE is the answer.
____________________
their shoes are designed like tennis racquets to create a wide area below their shoes .it prevent them from being sunk into the ice when the ice is soft.
THE MORE IS THE AREA ,THE LESS IS THE THRUST.
that's why ,also truck tires are soo big and edge of knife is so thin.
_________________________
hope you understood the concept.
PLEASE MARK AS BRAINLIEST.