Biomechanics of motor sport

Question 1

What are the 3 impacts during a crash?

Answer 1

1. the impact of two objects eg. car and wall
2. the impact of occupants into the vehicle
3. the impact of vital organs

Question 2

What relationship does velocity have with injury?

Answer 2

exponential

Question 3

What relationship does stopping time have with injury?

Answer 3

inverse

Question 4

What relationship does deceleration have with injury?

Answer 4

exponential

Question 5

what is deceleration also referred to as?

Answer 5

g force

Question 6

give an example of a compression force in a frontal impact?

Answer 6

anterior torso motion stops because it hits the seatbelt but the interior organs keep going causing myocardial effusion

Question 7

What is a tension force?

Answer 7

two forces pull on an object in opposite directions so as to stretch it and make it longer and thinner

Question 8

What is a shearing force?

Answer 8

Shear stress is two forces acting parallel to each other but in opposite directions so that one part of the object is moved or displaced relative to another part