Lever
A lever is bar that pivots around a _________.
What is fulcrum?
A wedge is two ________ joined back to back.
What are inclined planes?
A pulley is a wheel and axle with a ________ around the outside.
What is a groove?
An incline plane is a ________ that is higher on one end.
What is a surface?
A wheel and axle is a wheel with an axle through its _______ to move loads.
What is center?
A lever helps to...
What is lift objects?
Wedges are used to...
What is split objects?
The rope has a ______ on one end and someone or something pulling at the other end.
What is a load?
Inclined planes help to...
What is make the work of moving objects easier?
A wheel and axle is used to...
What is move objects?
There are ______ different classes of levers.
What is 3?
There are _________ different types of pulleys.
What is 3?
An inclined plane starts on ground level and...
What is rises upward?
A pulley needs a ________ around the groove to make it do work.
What is rope, chain, or belt?
A plane is...
What is any flat surface?
The part that uses force to turn the other part, out of the Wheel and Axle, is...
What is the Axle?
The classes of levers are...
What are First Class, Second Class, and Third Class?
The different types of pulleys are...
What are Fixed, Movable, and Combined?