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Question:

In the 6 simple machines, how is a wheel and axle related to a lever?

In the 6 simple machines, how is a wheel and axle related to a lever?

Answer:

The wheel and axle is nothing more than a lever that goes all the way around its fulcrum, the axle. Close your eyes and imagine a third-class lever with its axle at one end. Imagine the other end of the lever as having a pencil on it. Now set the axle (fulcrum) down on a piece of paper with the pencil pointing down at the piece of paper. Now apply your force to move your lever--the pencil draws an arc. Move it further and it begins to look like a circle. Move it all the way around and there you have the full circle. Now to be more precise, since the axle has some diameter and can be the place where the work is being done, that makes the wheel and axle a third-class lever. See if the link below makes it easier to understand.
May 28, 2018
Oh i remember doing that project! Is it the one where you make the simple machines? If it is, it's simple! All you got to do is make a 'car'. step 1: get a box (small), 2: buy push pops,3: punch holes in the box so the push pops make wheels, 4: make a pulley out of string, another small box, and push pops, 5: make a block to be a ledge and make a mini see-saw (lever). You use the pulley to get the 'car' down the wedge, then from the wedge you see the 'car' go down and up the see-saw! Isn't it brilliant! my teacher gave me an A+ on the 'car' and an A+ on the writing. (step by step, how-to) inclined plane and lever is the see-saw, the wheel and axle is the 'cars' wheels, the wedge is the wedge or block, and you built a pulley!
May 28, 2018

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