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14 Cards in this Set

  • Front
  • Back
What is the difference between a scalar quantity and a vector quantity?
scalar = based on amount (distance) only
vector = includes amount and direction
What is the difference between distance and displacement?
distance = how far an object has traveled
displacement = how far an object is from its original position
What is the difference between speed and velocity?
Speed = amount of distance traveled in a specific amount of time. Speed is a scalar quantity
Velocity = speed plus direction. Velocity is a vector quantity (based on distance only).
What is acceleration?
when an object is speeding up, slowing down, or changing direction. When it's speeding up, it is accelerating in same direction as its velocity (positive acceleration)
What is deceleration?
negative acceleration, or slowing down
What units do I use for distance:
meters
What units do I use for displacement:
meters
What units do I use for speed:
meters per second (m/s)
What units do I use for velocity:
meters per second (m/s)
What does it mean to say an object is in motion?
when its distance from another stationary object is changing (that other object is a reference point)
What is the calculation for speed?
speed = (distance) / (time) OR
s = d / t
What is the calculation for acceleration?
acceleration = (final velocity - initial velocity) / time OR
a = (Vf - Vi) / t
What is kinematics?
The study of motion
What are the five components to motion?
Distance, Displacement, Speed, Velocity, Acceleration