Motion
Total distance divided by total time.
What is average speed?
The change in the vertical direction.
What is rise?
The starting point used to describe the position of an object.
What is a reference point?
This quantity is demonstrated by a car slowing down, speeding up or going around a curve.
What is acceleration?
The speed shown on the speedometer in a car.
What is instantaneous speed?
The speed at any specific instant in time.
What is instantaneous speed?
The steepness of a line.
What is slope?
The speed and direction of a moving object.
What is velocity?
Km/hr, mm/sec, cm/min.
What are units of velocity?
The number of points on a graph needed to determine the slope of the line.
What is two?
Traveling the same distance each second.
What is constant speed?
Shown by a straight line on a Position-Time graph.
What is constant velocity?
The change in an object’s position.
What is displacement?
The quantity that nearly always appears on the x axis.
What is time?
When making a Position-Time graph, this quantity is shown on the y axis.
What is distance?
The rate of change of velocity over time.
What is acceleration?
Km, cm, mm, meters.
What are units of distance?
A quantity that has both size and direction.
What is a vector?
The sign of acceleration when a object is slowing down.
What is negative?
The average speed when an object travels 300 km in 6 hours.
What is 50 km/hr?
The speed and direction of a moving object.
What is velocity?
The length of a path that an object takes.
What is distance?
Used to indicate the opposite of the reference direction.
What is a minus sign?
The velocity of an object shown by a horizontal line on a Position-Time graph.
What is zero ?
The acceleration of an object when it slows down from 20 m/sec to 0 m/sec in 2 seconds.
What is -10 m/sec2?