How the force applied to a screw makes it move?

Subject: How the force applied to a screw makes it move?

Date: Sun Nov 26 13:31:26 2000
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Area of science: Physics
ID: 975263486.Ph

Message:


When you screw on something, you apply a (couple of) force(s) on the head 
of the screw. How this force(s), applied tangentially, make(s) the screw 
move forward? Which differences are there between the screw and the nut & 
bolt (...friction !)?

Re: How the force applied to a screw makes it move?

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