Levers and gears

what are levers?

• A lever is a simple machine made of a rigid beam and a fulcrum.

• A lever is made of a beam and a fucrum

• A lever is made out of a pivot

what are gears?

• rotating circle

• Rotating circular machine part having cut teeth.

• Rotating circular macine part

• car wheels

What is an example of a lever?

• cup

• zipper

• eraser

• scissors

what is an example of a gear?

• computer

• brain

• drill

• hand sanitizer

which statement is true?

• As you increase distance, your effort must increase

• As you increase distance, your effort can decrease

• As you decrease distance, your effort must decrease

• Effort and distance always stay the same no matter what you do

what is a fulcrum?

• the point on which a lever rests or is supported and on which it pivots.

• A thing

• supporter

what is the main purpose of gears?

• to be able to change and increase/decrease the force and speed

• Just spin things for fun

• increase and decrease force

what best describes what a load is?

• A type of simple machine

• and example of a lever

• what you are trying to lift

• the effort

what is another word for gears?

• frogs

• Cogs

• gears

• circle spinning things

what image represents a III class lever?

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