Lever Flashcards
_ are tools that make work easier and faster.
Simple machines
When simple machines are combined, a _ is formed.
Complex machine
Complex machines are also known as _ since two or more simple machines are combined together to perform a certain task.
Compound machine
The _ includes wheel and axle and pully.
Lever group
The _ consists of a screw and wedge.
Inclined plane group
A _ is a bar or a rigid arm that turns on a fixed point. It is used to lift a heavy object with less amount of force.
Lever
What are the basic parts of a lever?
Fulcrum, effort and load
It is a fixed point where the bar turns
Fulcrum
It is the effort applied to the lever
Effort
It is the force that the lever needs to overcome
Load
An _ or a _ is a flat surface that is higher on one end.
Inclined plane or ramp
It makes work easier by raising objects to a higher ground with less effort.
Inclined plane/ramp
