Distance and Direction
Machines are useful because they can automate tasks, increase efficiency, and improve productivity. They can perform repetitive or labor-intensive tasks with speed and precision, allowing humans to focus on more complex or creative work. Additionally, machines can often perform tasks that are difficult or dangerous for humans, enhancing safety in various industries.
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by levers
The invention of the washing machine is important because you couldn't wash your clothes quickly and properly without it.
a windmill
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.
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Machines are useful for all kinds of things. Machines can give you a break from using your hands.
i really don't know but if this website is going to be useful yall need to get the right answers on this website immediently the black is actually power.
Electromagnets are useful because some machines need magnets that can stop being magnetic. In junkyards, some machines need to pick up metallic objects, so they need magnets that can turn on and off, which is where a electromagnet becomes useful.
Machines are useful to me because of all kinds of things. Machines can give you a break from using your hands.It also manages power to accomplish a task.also machines do stuff like cleaning your house so you can take a rest.It also makes time past for so people.
because
washing machines wash out clothes, and sometimes shoes. they are useful because they keep out clothes clean and sthey are sometimes amusing.
They changed because Mr.Bobby ate them.
Simple machines are very useful for the environment. Because they do not need to usefossil fuels.
Manned spacecraft are very useful because it is easier to see and do things first hand than relying on only readouts from machines and senors.
for doing works
because you are a old me is a kid