Question

7. Give reasons:
(a) Why are the seat belt provided in automobiles and aeroplanes?
(b) Why do the passengers in a bus tend to fall forward when it suddenly stop?
(c) Why do the passengers in a bus tend to fall backward when it start suddenly ?

8. Give reason:
(a) Why are shockers used in cars, scooter and motorcycles? (b)Why are glass or chinaware packed with straw paper? (c)Why does a cricketer lowers his hands while catching a ball?
(d) Why we are hurt less when we jump on a muddy floor in comparision to a hard floor?

Answer 1

Answer:

a) seat belts are provided in automobiles and aero plane because it holds the passenger when the brakes were applied in forward suddenly. and seat belts have more friction, and are made for our safety. So if there is an impact of some sort you are restrained to your seat, therefore minimizing injury.