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ENGR 103 - Test 2 Defintions

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ENGR 103 - Test 2 Defintions Integral - answerArea under a curve Derivative - answerslope of the tangent line to a curve Area of a Rectangle - answerA=lw Area of a Triangle - answerA=1/2bh Area of a Trapezoid - answerA=1/2(b1+b2)h "Negative Area" - answerNegative area can exist numerically. W...

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  • October 16, 2024
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  • Engr 103
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sirjoel
©SIRJOEL EXAM SOLUTIONS
12/3/2024 11:27AM



ENGR 103 - Test 2 Defintions


Integral - answer✔Area under a curve


Derivative - answer✔slope of the tangent line to a curve


Area of a Rectangle - answer✔A=lw


Area of a Triangle - answer✔A=1/2bh


Area of a Trapezoid - answer✔A=1/2(b1+b2)h


"Negative Area" - answer✔Negative area can exist numerically. When calculating an integral

just subtract it from the positive area.


Fluids - answer✔randomly arranged molecules held together by weak cohesive forces; fluid

flows under the slightest stress and continues flowing as long as stress is present


Solids - answer✔molecules arranged in crystals (orderly on a lattice)


elastic (solid) - answer✔finite deformation under load; recovers original shape when unloaded


plastic (solid) - answer✔finite deformation under load; does not return to original state


liquid - answer✔"incompressible"

, ©SIRJOEL EXAM SOLUTIONS
12/3/2024 11:27AM




volume=constant




may have a free surface (subject to its own vapor pressure)


Gas - answer✔very compressible




expands to fill a containment


"incompressible" - answer✔high bulk modulus (constant density)




large change in pressure = small change in volume


compressible - answer✔gases with low bulk modulus


pressure - answer✔normal force exerted per unit area by a fluid


atmospheric pressure - answer✔pressure exerted at a certain location


absolute pressure - answer✔pressure referenced to a perfect vacuum


gauge pressure - answer✔uses atmospheric pressure as a reference; difference between absolute

and local atmospheric pressure

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