Terms in this set (22)
Class 1 levers
Load fulcrum effort ^
Class 2 levers
Fulcrum load effort^
Class 3 levers
Fulcrum effort^ load
Adding the measurements to a drawing
width, depth, height
Types of lines
OUTLINE Dark continuous lines
CONSTRUCTION LINES Thin continuous lines
HIDDEN DETAIL LINES dashed lines
a set of moving parts that are used to make working easier. Machines contain mechanisms.
a simple mechanism made up of a bar that turns around a fixed point, it is used to move weight.
A bar resting on a fulcrum that moves a load
the point of movement or pivot on which the arm of the lever moves
a force exerted in a mechanism that enables it to work
an object or mass that has to be lifted, cut or moved.
turning forces around a fulcrum
when machines or mechanisms enable us to move loads with small force or effort
the amount of force applied to a lever
the force the lever produces to move a load
How do levers work?
A lever works by reducing the amount of force needed to lift an object.
used to separate objects
A wheel with teeth around it. Used to change the direction of an object
uses grooved wheels and rope to move a load
Wheel and axle
a circular object with a rod that helps move loads
an inclined plane wrapped around a cylinder that holds things together
a slanted surface connecting a lower surface with a high surface
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