quizlet questions

Cards (17)

Inertia 
The tendency of objects to continue in their state of rest or of uniform motion
Spring constant 
A number that indicates the stiffness of a spring
Stopping distance 
The combined thinking and braking distance
Braking distance 
The distance travelled between applying the break and stopping
Thinking distance 
The distance travelled while reacting to a hazard
Inertial mass 
How difficult it is to change the velocity of an object
Terminal velocity 
The maximum speed an object can fall at (when air resistance balanced with weight)
Acceleration 
The rate of change of velocity
Displacement
How far an object is from its starting position (vector)
Distance 
How much ground an object has covered during its motion (scalar)
Limit of proportionality
The point at which the extension of a spring stops increasing in proportion with force
Elastic deformation 
When an object can return to its original shape after being stretched or compressed
Work done 
The amount of energy transferred
Mass 
The amount of matter an object is made of
Weight 
The force of gravity acting on an object
Scalar 
A quantity that has size only
Vector 
A quantity that has both size and direction