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12 Cards in this Set
- Front
- Back
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The study of forces and their efforts on a system in a state of rest or uniform motion
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Statics
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An object in a state of rest or uniform motion will continue to be so unless acted upon by another force
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Newton's First Law of Motion
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Force= Mass x Acceleration
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Newton's Second Law of Motion
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For every action force, there is an equal and opposite reaction force
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Newton's Third Law of Motion
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A physical quantity that has magnitude only
examples= mass, length, time, volume, temperature, pressure, speed |
Scalar Quantities
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A physical quantity that has both magnitude and direction
Example= Position, velocity, force, and moment |
Vector Quantities
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The pushing or pulling interaction of objects
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Force
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Object's center of gravity or center of mass
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Centroid
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Stiffness of an object related to its shape and is measured in inches to the fourth
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Moment of Inertia (I)
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The ratio of the increment of some specified form of stress to the increment of some specified for of strain.
This defines the stiffness of an object related to material chemical properties. |
Modulus of Elasticity (E)
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Visual representation of force and object interactions
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Free Body Diagrams
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Measure of the tendency of the force to rotate the body upon which it acts
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Moment
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