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a catapult i did one for school Google how to build one that is what i did

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Q: What are some invention ideas that need simple machines I need to come up with an invention idea that uses pulleys gears levers ect My friend made a juice maker. Any ideas?
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Related questions

What Machines were used to build the Roman Colosseum?

Pulleys and levers, and wedges. Answer: Simple machines


What are the six simple machines that all other machines made from?

Levers, Pulleys, Wheel & Axle, Inclined Planes, Wedges, and Screw.


What are the categories of simple machines?

the categories are levers, wheel and axel , pulleys,wedges, inclined planes, and screws.


What does simple machines change?

Simple machines such as pulleys, wedges, and levers reduce the amount of energy required to lift or move (heavy) objects.


What is machines that are composed of two or more machines are called?

Complex machines are made out of multiple simple machines like axels, levers and pulleys make up a catapult on wheels.


A bicycle is a compound machine made up of which simple machines?

A bicycle consists mainly of Wheel and axles, levers, screws


Some of the simplest machines are?

Ramps (which are also known as wedges), levers, and pulleys are simple machines.The answer you are looking for is Tools.


What makes work easier for us?

Simple machines such as levers and pulleys can make work easier for us.


What are the types of simple machines and what do they do?

Simple machines are any device used to change the direction and or magnitude of a force. Levers, pulleys, wheels, and the inclined plane are all examples of simple machines.


What are the simple machines in a human body?

Some simple machines include: your teeth- wedges arms- levers legs-levers finger nails- inclined planes elbow-lever knee-lever tendons- pulleys


What kinds of simple machines that can be located in a teleporter?

There is no such thing as a teleporter in the star trek sense. If you mean a telehandler or crane, there will be pulleys and levers.


What are the six simple machine that all other machines are made from?

Levers, Pulleys, Wheel & Axle, Inclined Planes, Wedges, and Screw.