An object is in motion if it changes position relative to this.
What is a REFERENCE POINT?
200
You calculate this by dividing the total distance by the total time.
What is AVERAGE SPEED?
200
A bus and a car are both moving at the same constant speed. If a deer jumps out in the middle of the road ahead the bus has to begin braking sooner because it has more of this.
What is the INERTIA.
200
The sum of all forces acting on an object.
What is NET FORCE?
200
When two waves meet up peak to peak and the waves are amplified.
What is CONSTRUCTIVE INTERFERENCE?
300
Draw a graph of motion (distance vs. time) that shows constant speed.