Forces And Motion Flashcards
1
Q
What effects thinking distance?
A
Drugs and alcohol
2
Q
What effects braking distance?
A
Road surface, vehicle conditions, weather
3
Q
What is the equation for monmentum?
A
Mass x velocity
4
Q
Equation for collisions?
A
Force= rate of change of monmentum
5
Q
Other monmentum equation?
A
Total energy before a event= total after event
6
Q
What is a scalar quantity?
A
Magnitude only, includes speed, distance, energy
7
Q
What is a vector quantity?
A
Magnetude and direction, ( velocity, monmentum, force, acceleration)