Speed
Graphs
PE & KE
Forces
100
What is the equation for speed?
S = Distance / Time
100
What does the line on a distance time graph tell us?
The speed of an object
100
What are the two factors in potential energy?
Position (height) and Mass
100
When are forces balanced?
When the two forces acting on an object are equal.
200
A kid runs 59 miles in 3 hours, what was his average speed?
19.67 miles/hour
200
What does a flat line indicate on a distance time graph?
No motion/Stopped
200
What are the two factors in kinetic energy?
Speed and Mass
200
Explain the force and which way the rope will move. 
The forces are balanced and the rope won't move.
300
A train covers 1,700 kilometers in 2 hours, what was the train's average speed?
85 km/hr
300
Which color linehas a faster average speed?
the Red line
300
Which point has the most potential energy, and what point has the most kinetic energy?
Point A has the most potential, Point D has the most kinetic.
300
Explain the force and which way the cube will move.
The force is unbalanced and the cube will move to the left.
400
Lewis ran a race, it took him 3.5 hours to run 21 kilometers. What was his average speed?
6 km/hr
400
How far had the object moved in 30 minutes?
4 kilometers
400
When does a bow and arrow have the most potential energy?
When the bow is pulled back/just before the arrow is shot.
400
Explain the force and which way the rope will move.
The forces are unbalanced and the rope will move to the left.
500
It has been 800 seconds since a plane flew off, they have travelled 1600 meters. What is their speed?
2 meters/speed
500
Explain the motion of this object.
Constant speed for 30 km, stopped for 15 minutes, constant for another 20 km, stopped for 15 minutes, returning to origin.
500
Explain the energy transformation that occurs during a roller coaster drop.
Potential transforms into kinetic
500
Explain the force and which way the cube will move.
The cube will move to the right.