8.1.4 - Forces in Collisions

Question 1

What is acceleration due to gravity?

Answer 1

9.81 m/s

Question 2

What can negative accelerations be?

Answer 2

Dangerous.

Question 3

How can a slowing car be dangerous?

Answer 3

The seatbelt will exert a force upon you because you will continue to move at a constant speed.

Question 4

In terms of inside your body, why can negative accelerations be dangerous?

Answer 4

Internal organs will move forward.

Question 5

How do stretchy seatbelts and crumpling airbags, road barriers and bumpers decrease the danger of a slowing car?

Answer 5

Increase the time of collision.