Simple Machines
A car uses this simple machine to move.
Wheel and Axle
Before the wheel and axle, there was no other type of transportation.
False. Before the wheel and axle people used animal packs to pull things like sleds (then known as sledges) or waterways to transport goods OR people!
Scissors are an example of
Levers
A flagpole is an example of this kind of simple machine.
A pulley
The oldest wheel ever found was discovered AFTER Mr.Andrew was born.
True! The oldest known wheel was found in 2002.
A water well is an example of
Pulleys
These are the three classes of the lever system.
Fulcrum, load, effort
We all have a part of ourselves that can be used as a lever.
True! Example:Using your arms to lift something heavy uses the object as a load, your elbow as a fulcrum, and your bicep as the effort.
A doorknob is an example of
Wheel and axle!
A piece of wood that can be used to hold a door open is an example of
Wedge
Although planes are used to fly, they still have examples of a wheel and axle.
True! The landing gear of a plane consists of a wheel and axle.
An elevator is an example of
A pulley!
A pivot, a fixed rod, and a load to which a force is applied is an example of
Levers!
Early use of simple machines made everyday life more challenging and required much more effort to do things.
False!!!!! Simple machines were made to make life easier!
When a hammer is used to pull out a nail from a piece of wood, it is an example of
A lever!