Forces Flashcards
1
Q
What does a larger arrow mean on a force diagram?
A
The force is larger, in this example the accelerating force is greater than the other forces.
2
Q
What is the equation for acceleration?
A
3
Q
What is the difference between a contact and non-contact force?
A
A contact force requires two objects touching with each other; EG :- Friction
Non-Contact forces are ones which act over a distance; EG :- Gravity
4
Q
Draw a force diagram of a stationary/constant speed car.
A
5
Q
What is the equation for speed?
A
6
Q
What is the equation for pressure?
A
7
Q
True or False?
A smaller area means a smaller pressure.
A
False :-
This is false beacause the pressure becomes more compact, creating a larger force.