Simple Machines
The number of simple machines
6
Running outside
Kinetic
Force is...
a push or pull
Flagpole
pulley
Class 1 lever
Seesaw, scissors, etc.
Wheels on roller skates before someone moves
potential energy
The force that causes a skateboard to stop on a flat sidewalk
friction
when a force moves something through a distance, __________ happens.
work
Machines make it easier to do work. (T/F)
True
Two inclined planes back to back
wedge
a stretched rubber band
potential energy
The effect of your weight on the moon
weight decreases
The force that is applied when doing work is the
effort force
Friction is a type of effort force. (T/F)
A machine that Changes the direction of the effort force
pulley
A quarterback's arm before throwing a pass
potential
The measure of force amplification achieved
mechanical advantage
The support on which a lever turns
fulcrum
Ramp
Inclined plane
Class 3 lever
Broom, stapler, mouse trap
a moving car
kinetic energy
If you jump up off the hood of a car traveling at 60mph, you will go
up and then land in the same spot
A force that must be overcome when doing work is a
resistance force
Knife
wedge