P2.3 Flashcards
What is displacement?
The shortest distance between a start and finish
What is speed ?
How quickly something will travel in a curtain direction
What is velocity ?
How quickly something is moving and the direction it is moving
What are vector quantities?
Quantities that have a size and direction
What is acceleration?
The change in velocity
What is a force?
A push or pull
What is a free body diagram?
A diagram that shows the forces acting on a single object
What is an action force ?
When something exerts a force on an object
What is a reaction force ?
When an object exerts and equal and opposite force against something applying an action force
What is resultant force?
When more than one force acts on an object , the affect is the same as if they were combined into a single force
What is mass?
The quantity of matter there is in an object
What is weight ?
The measurement of the pull of gravity on an object
What is gravitational field strength ?
How strong Gravity is
What is terminal velocity?
When something is traveling at a constant velocity
