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Who invented the lever?
Levers have existed since prehistoric times. There is no record of who invented levers. The earliest mention of levers of which there is a record was by Archimedes, but they were in use long before his time.
What scientist mastered the use of levers?
Archimedes
What would it be like without the use of levers?
Difficult, levers are essential in life. Mostly everything we use uses levers such as our body, airplanes, lifting things, scissiors, nutcrackers etc. Some things require levers and they would not be possible without them. Hope that helped :)
What do levers and pulleys have in common?
cuz people r fat
What class of levers are nutcrackers?
they are second class levers
What do people today use levers for?
Most people use levers to turn on and off a giant machine. But I only know that scientists use it. =)
Why are levers often included in the design of objects for people who can't use their hands easily?
Levers allow you to manipulate heavy things with less force, at the cost of more distance traveled.
What are the advantages and disadvantages of levers?
Levers will wear and tear after use and money will have to be spent to repair or replace them.
Which machines work with levers that people use everyday?
Door handles, car foot pedals, human appendages.
How do you use levers today?
Teeter totter
What scientist mastered the use of levers?
Archimedes
Who invented the lever?
Levers have existed since prehistoric times. There is no record of who invented levers. The earliest mention of levers of which there is a record was by Archimedes, but they were in use long before his time.
What would it be like without the use of levers?
Difficult, levers are essential in life. Mostly everything we use uses levers such as our body, airplanes, lifting things, scissiors, nutcrackers etc. Some things require levers and they would not be possible without them. Hope that helped :)
Why are third class levers used if their mechanical advantage is less that one?
Mechanical advantage is not the only reason to use levers.
What are levers used for nowadays?
Scales and kitchen use.
What are three different levers that you use?
Shovel,broom and spoon
What do levers and pulleys have in common?
cuz people r fat
