Forces And Shapes Flashcards
0
Q
Forces acting on a car
A
Friction Thrust from engines Gravity Normal reaction force Air resistance
1
Q
A force is a…
A
Vector
2
Q
Temporarily changing the shape
A
When put under tension, elastic materials will stretch while brittle materials will break
3
Q
Hooke’s law
A
The extension of a spring is proportional to the force
Doesn’t apply once the elastic limit has been reached
Rubber bands don’t obey Hooke’s law
