The shear modulus, or the modulus of rigidity, is derived from the torsion of a cylindrical test piece. It describes the material's response to shear stress. The shear modulus is one of several quantities for measuring the stiffness of materials and it arises in the generalized Hooke's law. ...
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<h3>BECAUSE MERCURY IS USED BECAUSE IT is the only liquid available in room temperature </h3>
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pls mark as a BRAINLIST
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The answer to this is D two of the above
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This is basically asking you what the definition of Normal force is. Normal force is the force that pushes back against the weight of something that is sitting (or standing or lying) perpendicular to it. That's why, when you stand on a floor you don't crash through the floor OR go shooting up into space. The Normal force is equal but opposite to your weight. The floor exerts the normal force (pushing up and is positive) while your weight is opposing it (pushing down and is negative.) Perpendicular is the key word here, I believe.
