Galileo used these to slow the motion of rolling balls.
Ramps
Isaac Newton called the pattern of colored lights created by a prism this.
Spectrum
This allows a person to overcome a resistance at one point by applying a force at some other point.
simple machine
Metric system unit for work
joule
The top of a wave
crest
distance/ time
speed
This part of the eye opens and closes to change the amount of light that enters.
iris
input force
effort
F x d is the formula for what?
Work
Measure from crest to crest or trough to trough
wavelength
Change in speed
acceleration
Opening in the center of the iris where light enters the eye
Pupil
output force
load
Heat energy needed to raise the temperature of 1 gram of water 1 degree celsius
calorie
lowest point between crests
trough
Curving path (a cannon ball follows this for example)
parabola
Part of the eye that adjusts for focus
lens
Measure of force in the metric system
newton
This is the term for the energy of motion of atoms and molecules
Heat
Number of waves per specific time interval
frequency
A feather and a lump of lead will fall at the same speed in a.....?
vacuum
The part of the eye that sees colors
cones
Archimedes demonstrated the usefulness of simple machines by using a series of pulleys to move this.
First Law of Thermodynamics
Law of Conservation of Energy
Speed at which a wave travels through the medium carrying it
Velocity