How is a screwdriver an example of a wheel and axle system?

Question

This is one of my questions for my physical science homework, and I can't figure it out. Help me!

Answer 1

Mark G has it right above, the handle of the screwdriver is larger than the shaft and that increases the mechanical advantage of the "machine".
Most textbooks that I have seen use water faucets and actual wheels and axles to demonstrate wheel and axle systems and show the screwdriver as a first class lever (like when using it to pry open a paint can). But again, when using it to turn a screw, it is a wheel and axle system and the large the handle, the easier it is to turn the screw (or strip the threads if it is something I'm working on).

Answer 2

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RE:
How is a screwdriver an example of a wheel and axle system?
This is one of my questions for my physical science homework, and I can't figure it out. Help me!

Answer 3

A wheel acts like a lever on the end of an axel. On a screwdriver the handle is the wheel and the axel is the shaft driving the screw.

The handle allows you to multiply the torque generated by your hand to drive the escrew

Answer 4

You put the end of the screw driver in the slot on the screw and turn. The screw becomes like a wheel and the screw driver becomes like an axle. The screwdriver increase the turn.

Answer 5

well.. it could be like.. how the screwdriver turns the screw.. so it'd be like how a wheel turns on an axle..

Answer 6

For ID to be considered anything like viable the proponents of it need to show experimental data, Meyer lists quite a few examples of experiments that could validate ID as a viable hypothesis in his Signature in the Cell book. One is left wondering why he and his anti-science cronies at the Discovery Institute have not performed these experiments, afraid of the results ?