Vocabulary Pt 1
Transfer of energy that occurs when a force makes an object move in the direction of the force while the force acts on the object
Work
Flat, sloped surface
Inclined Plane
An object that has energy because it is in motion
Kinetic Energy
Carried by electromagnetic waves
Radiant Energy
Two or more simple machines working together
To change form or structure
Transform
Pivots around a fixed point
Lever
Sum of potential energy and kinetic energy in a system of objects
Mechanical Energy
Stored in and released from the bonds between atoms
Chemical Energy
This example has a wheel & Axel and a Lever
Wheelbarrow
Space that contains no matter
Vacuum
Grooved wheel with a rope or cable wrapped around it
Pulley
form of kinetic energy that an electric current carries
Electric Energy
States that energy can be transformed from one form to another, but cannot be created or destroyed
Law of Conservation of Energy
This example has a Wheel and Axle, wedges, and a lever
Pencil Sharpener
Conversion of energy from one form to another
Energy Transformation
Inclined plane wrapped around a cylinder
Screw
Stored in and released from the nucleus of an atom
Nuclear Energy
Ability to cause a change
Energy
This example has a pulley, lever, and a wheel & Axel
Crane
Ratio of output work to input work
Efficiency
Inclined plane that moves
Wedge
Stored energy that depends on the interaction of objects, particles, or atoms
Potential Energy
A type of energy that requires both KE + PE
Mechanical
This example has a wedge, lever, and wheel & axle
Bulldozer
W=F*D
Equation for work
Shaft attached to a wheel so that both rotate together
Wheel & Axle
The sum of the kinetic energy and potential energy of the particles that make up an object
Thermal Energy
Work depends on what 2 things
Distance & Force
Wedges & Levers
What are 2 types of Machines?
Simple & Complex
Does work through use of one movement
Simple Machine
Carried by sound waves
Sound Energy
Machines make work easier by changing:
Force & Distance
A roller coaster is an example of this type of machine?
Complex/Escalator
SI Unit for Work
Joules (J)
How many different types of simple machines are there?
6
Transferred by waves moving through the ground
Seismic Energy
A hill is an example of this type of simple machine
Inclined Plane
What type of simple machines do the escalator have
Inclined Plane and Pulley