Energy transformation and work
Two or more simple machines working together
What is a complex machine?
This type of ride uses gravitational potential energy and kinetic energy
What is a roller coaster?
a newton-meter is also called something else
What is a joule?
An inclined plane wrapped around a cylinder
What is a screw
Can change the direction of a force
What is a machine?
A grooved wheel with a rope or cable wrapped around it
What is a pully?
Energy can be transformed from one form to another, but cannot be created or destroyed
What is the Law of conservation of energy?
Thermal energy moving from a region of lower temperature
What is waste energy
A flat sloped surface
What is an inclined plane?
Runs through a pully system
What is a rope?
A shaft attached to a wheel of a larger diameter so that both rotate together
What is a wheel and axle?
This process transforms radiant energy from the sun into chemical energy
What is photosynthesis?
Work equation
What is work equals force times distance?
Machines that do work using one movement
What is a simple machine?
Something that lifts stuff to make the work easier
What is the pully system?
A simple machine that pivots around a fixed point
What is a lever?
The conservation of one form of energy to another
What is Energy transformation?
The 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
What is work?
A bottle opener
What is a machine?
The ratio of output work to input work
What is efficiency?
An inclined plane that moves
What is a wedge?