FinFinals Concepts Flashcards

1
Q

Is a structure composed of slender members joined together at their end points

A

Truss

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1
Q

Tangential forces generated between contracting surfaces

A

Frictional force/ friction force

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2
Q

True or false:
Friction forces are present throughtout nature and exist in all machine

A

True

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3
Q

Occurs when the unlubricated surfaces of two solids are in contact under the condition of sliding

A

Dry friction

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4
Q

Friction forces that always opposes the motion, this type of friction is called ?

A

Coulomb Friction

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5
Q

The principle of coulomb friction were developed by Coulomb when?

A

1781

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6
Q

The principle of coulomb friction were developed from Morin’s work when?

A

1831-1834

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7
Q

ù s (constant)

A

Coefficient of static friction

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8
Q

Two types of dry friction

A

Static and kinetic

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9
Q

Friction that is in equilibrium

A

Static friction

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10
Q

Friction that is in motion

A

Kinetic friction

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11
Q

Occurs when adjacent layers in fluids are moving at different velocities

A

Fluid Friction

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12
Q

Occurs in all solid materials which are subjected to cyclical loading

A

Internal friction

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13
Q

A simple machine that is often used to transform an applied force into much larger force, often used to adjust elevation

A

Wedge

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14
Q

The total weight of the body which passes through a single point

A

Center of gravity

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15
Q

The computation of the moment of loading distribution about an axis

A

Moment of inertia of the area