Show:
Simple Machines
Pulleys
Gears
Reduce the Impact
Free for all
100
This pulley system has at least one fixed pulley wheel and one movable pulley wheel.
What is a compound pulley?
100
A pulley attached to a structure.
What is a fixed pulley?
100

This is not to be worn on the head of a king or queen.

What is a crown gear?

100
This is a type of pulley system that is an environmentally friendly alternative to a dryer.
What is a clothesline?
100
A push or a pull.
What is force?
200
Simple machines are used to do this:
What is make work easier?
200
This pulley is attached to the load that is being lifted.
What is a movable pulley?
200
If you have a big gear attached to a small gear, and you turn the big gear, the small gear does what?
It goes faster.
200
These pulley systems use electricity to run. It's use can be reduced by taking the stairs.
What is elevator/escalator.
200
The heavy item that a pulley system moves.
What is the load?
300
A wheel with teeth or grooves on it.
What is a gear?
300
This pulley system makes it easier to lift a load.
What is a compund pulley?
300
The pedals on a bike are called this.
What are the input components?
300
These gear driven devices are run manually and could be used in place of cars to reduce the amount of pollution.
What is a bicycle?
300

Linear, Rotary, Reciprocating, and Oscillating are all forms of this.

What is motion?

400
A wheel with a grooved rim in which a rope can run to change the direction of the pull and so lift a load.
What is a pulley?
400
This pulley does not decrease the amount of force needed to lift an object but changes the direction of the force.
What is a fixed pulley?
400

These gears have teeth that mesh at an angle.

What are bevel gears?

400

These new types of vehicles do not have any gears.

What are electric vehicles?

400
Rope, wheel, load, force.
What are the components to make a pulley system?
500
A system containing both a pulley and gear, or other types of simple machines.
What is a complex machine?
500
Systems that use a lot of energy are considered to be this.
What is energy intensive?
500

This type of gear can not be moved by a spur gear.

What are worm gears?

500

This complex machine uses a series of chain reactions and can include many pulleys and gears.

What is a Rube Goldberg machine?

500
When one system, such as a gear, moves a different type of system, such as a pulley.
What is the transfer of motion?