Anytime a force causes an object to move in the same direction the force is applied.

A device that makes doing work easier.

Force applied to do work (input force)

Force the machine has to overcome, also known as load (output force)

A machine that does work in only one movement

is a kind of simple machine with no moving parts; it is simply a straight slanted surface, like a wheelchair ramp

refers to the direction of the force

is energy exerted or brought to bear on an object

is a pulling (attracting) force between one object and another.

is a simple machine made up of a stiff arm or arms that pivot or turn. The point on which a lever turns is called the fulcrum.

The point on which a lever turns

—A lever that has the fulcrum in the center - seesaw

- A lever that has the load in the center - wheelbarrow

- A lever that the effort and load on the same side of the fulcrum with the effort in the middle.

is a simple machine made of a rope or chain wrapped around a wheel. It extends the force on a load over a longer distance for mechanical advantage. - raise and lower our flag on the flagpole.

is made of a large wheel attached to a post or axle. Sometimes, it has a crank or handle. create machines like your bicycle

consists of a pair of inclined planes set back-to-back, that can sustain sliding or rolling motion. -like a doorstop

is an inclined plane wrapped around a post or shaft. The top of a jar is an example

the help a simple machine gives you to do work, like lifting something heavy.

the action or process of moving or being moved.

is the force that resists motion through the rubbing of one object against another.

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Simple Machines

This reviews definitions of simple machine

Term	Definition
Work	Anytime a force causes an object to move in the same direction the force is applied.
Machine	A device that makes doing work easier.
Effort	Force applied to do work (input force)
Resistance	Force the machine has to overcome, also known as load (output force)
Simple Machine	A machine that does work in only one movement
Inclined Plane	is a kind of simple machine with no moving parts; it is simply a straight slanted surface, like a wheelchair ramp
Push and pull	refers to the direction of the force
Force	is energy exerted or brought to bear on an object
Gravity	is a pulling (attracting) force between one object and another.
lever	is a simple machine made up of a stiff arm or arms that pivot or turn. The point on which a lever turns is called the fulcrum.
fulcrum	The point on which a lever turns
First class lever	—A lever that has the fulcrum in the center - seesaw
Second class lever	- A lever that has the load in the center - wheelbarrow
Third class lever	- A lever that the effort and load on the same side of the fulcrum with the effort in the middle.
pulley	is a simple machine made of a rope or chain wrapped around a wheel. It extends the force on a load over a longer distance for mechanical advantage. - raise and lower our flag on the flagpole.
wheel and axle	is made of a large wheel attached to a post or axle. Sometimes, it has a crank or handle. create machines like your bicycle
wedge	consists of a pair of inclined planes set back-to-back, that can sustain sliding or rolling motion. -like a doorstop
screw	is an inclined plane wrapped around a post or shaft. The top of a jar is an example
Mechanical advantage	the help a simple machine gives you to do work, like lifting something heavy.
motion	the action or process of moving or being moved.
Friction	is the force that resists motion through the rubbing of one object against another.

Created by: Dmedders

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