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what is a ductile material?
a material that can be drawn into wires without losing it's strength.
what is a hard material?
a material that is very resistant to cutting, indentaton and abrasion.
what is the equation for Young's Modulus?
give an example of a malleable material.
Gold / Brass.
what is a stiff material?
a material that is resistant to bending and stretching.
what is a brittle material?
a material that won't deform plastically but will suddenly snap when the force gets to a certain size.
what is the equation for Hooke's law?