P2.1 Force And Motion Flashcards
1
Q
What can forces do?
A
Stretch
Compress
Accelerate
Decelerate
2
Q
What’s a resultant force?
A
The single force that would have the same affect as all the other forces combined
3
Q
What is an object doing if the resultant force is 0?
A
Stationary
Constant speed
4
Q
What’s velocity?
A
Speed in a given direction
5
Q
What’s acceleration?
A
Rate of change of velocity
6
Q
Factors effecting braking distance?
A
Weather
Speed
Brakes
7
Q
Factors effecting thinking distance?
A
Alcohol
Drugs
Tiredness
Distraction
8
Q
What’s terminal velocity?
A
Equal forces
Top speed
9
Q
What’s hookes law?
A
The extents on is directly proportional to the forces applied provided the limit of proportionality is not exceeded
10
Q
What’s elasticity?
A
A force
Changes the shape
Strong elastic potential
11
Q
What is a force?
A
An interaction between two bodies
