Topic 5 and 6 Flashcards

1
Q

Lever

A

A device used to change the amount of force needed to move an object

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2
Q

Fulcrum

A

The part of the lever that doesn’t move

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3
Q

3 Ways materials fail

A

From shearing, Bending or Buckling, and Torsion

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4
Q

Shear

A

Of a section of compressed material, to slide over another section along a weak point

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5
Q

Bend or buckle

A

Of a material, to fold under a compressive force

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6
Q

Torsion

A

The action of twisting or the state of being twisted, especially of one end of an object relative to the other.

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7
Q

Metal Fatigue (sickness)

A

A weakening of metal due to stress, resulting in an accumulation of small cracks

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8
Q

3 Design types

A

Arches, Cantilever, and Braces

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9
Q

Friction

A

A force that resists the movement of 2 surfaces rubbing together

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