1
Q
Calculate the force needed to produce a change in momentum in a given time
A
Force=Change in momentum/time
2
Q
Explain the meaning of a ‘large deceleration’.
A
It means a greater breaking force, which produces a greater deceleration.
3
Q
Describe the dangers caused by large decelerations.
A
It causes the brakes to overheat, and driver may lose control of the vehicle.
4
Q
Recall some typical forces involved in road collisions.
A
kinetic and momentum.
5
Q
Use knowledge of changes in momentum to
estimate the forces involved in road collisions
A
F= MV-MU/T
U is initial velocity, and V is final velocity.
