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Simple Machines
Types of energy
Definitions
Gears
Review
100
a lever
What is a simple machine with a bar and fulcrum?
100
Uses turbines to capture wind and turn it into energy
What is wind energy?
100
a machine that uses a bar and fulcrum to transmit force
What is the definition of lever?
100
wheel with teeth around the rim that go with other teeth to make motion
What is a gear?
100
Energy, Power, and Mechanics
What does EPM stand for?
200
pulley
What is a simple machine that can pull something up by pulling a rope?
200
energy made by the sun and consist of solar panels
What is solar energy?
200
the ratio of the force produced by a machine to the force applied to it
What is the definition of mechanical advantage?
200
spur gear
Name one type of gear
200
something used to increase for and shorten distance
What is a simple machine?
300
a simple machine that uses a big circular wheel and smaller circular wheel to produce a forward or backward motion
Describe a wheel and axle
300
when a nuclear explosion happens you can get energy from that explosion
What is nuclear energy?
300
activity involving physical or mental effort to achieve a purpose or goal
What is the definition of work?
300
Sprocket gear
Name the second type of gear.
300
energy from running water
What is hydroelectricity?
400
a slide, ramp on a moving truck, and a hill/mountain
Examples of an inclined plane.
400
oceans tide used for energy
What is tidal energy?
400
the branch of physics or technology concerned with the mechanical properties of gases.
What is the definition of pneumatics?
400
turn in opposite direction
What is the outcome of a machine that doesn't have a chain around two of the gears? what will the first and last gear do?
400
heat from within the Earth
What is geothermal energy?
500
1. seesaw 2. wheel barrow 3. slide
name 3 instances where you would use a simple machine at home
500
Renewable resources such as wood, wastes or plants
What is biomass energy?
500
generating electricity through the use of running water
What is hydroelectricity?
500
they will turn in the same direction
What is the outcome of the first and last gear in a machine if the gears in between it are linked together with a chain?
500
50 teeth first 25 teeth second
If you have a 2:1 ratio on a gear which gear needs to come first, which gear needs to come second?