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I was trying to explain Shear and Moment in basic terms to my friends and couldnt quite explain it?

As the Title says, i was trying to explain those terms in simple english to my friends and ended up using engineering terms so they didnt quite understand what they were. Can someone help me explain these in simple examples and simple words??

Thanks

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  • 9 years ago
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    Shear is the force/stress applied on the lateral of a thing. Stresses/forces are commonly applied from upwards to downwards, but shear is different: it is applied laterally.

    An example of the work of a shear force is this: http://us.123rf.com/400wm/400/400/odessa4/odessa40...

    Torque or moment, the tendency of a force to rotate an object about an axis. When you open or close a door, you're applying a moment on it; the force you apply on a screwdriver to take a tyre's screw off, you're, too, applying a moment: http://www.viennatech.ca/300web/wintertire/100_338...

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