Definitions
What is speed?
How fast an object is going, how far something travels over a period of time.
An object travels 4 meters in 2 seconds. What is the speed?
2 m/s
A baseball bat is swung. What kind of energy is this?
Kinetic energy
Two people are pushing on a box with equal force. What is the net force?
0N
Speed + Direction
An object travels 25 meters in 5 seconds. What is the speed?
5 m/s
A roller coaster car is at the top of a large drop, waiting to fall. What kind of energy is it storing?
Potential
Force is measured in...
Newtons
What is Net Force?
The total amount of force acting upon an object
If an object is going 2 m/s for 90 seconds, how far will the object travel?
180 meters
A penguin slides down an iceberg at a speed of 10mph. Does it have potential or kinetic energy?
Kinetic
A person is lifting a box with 20N of force, but gravity is pulling it down with 9N of force. What is the net force?
11N
What is force?
A push or a pull
How long will it take for an object traveling 30 mph to travel 30 miles?
1 hour
Energy is never created or destroyed. True or false?
True
Two people push a table with 16N of force each from the same direction. What is the Net Force?
32N
What is potential energy? What is kinetic energy?
Potential - Stored energy
Kinetic - Energy in motion
How long will it take for an object traveling 15 m/s to travel 30 meters?
2 seconds
Heat energy is an example of potential or kinetic energy?
Ms. Donihoo pulls on her iguana's leash with 4N of force, but the iguana runs in the opposite direction with 5N of force. What is the net force? What direction will they move?
1N in the direction of the iguana