Question

Commenly used gadgets or devices which are based on the principles of newtons laws of motion

Answer 1

sitdyiddiystudyozrudoyzruiytsyozur

Answer 2

seat belt it is based on the first law of motion as when the car suddenly stops we tend to move forward due to our inertia of motion , but the seat belts exert a force to make  our forward motion slower .

recoling of a gun is an example of third law of motion 

A ball bounces off the ground for it hit the ground with a momentum and the ground in turn applies force in the upward direction.this is an example of second law of motion