Modelling Flashcards

1
Q

Particle

A

All forces act through one point

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2
Q

Rod

A

Length only

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3
Q

Light

A

No mass

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4
Q

Inextensible

A

Does not extend so acceleration is constant for towbar

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5
Q

Peg

A

Single resting point

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6
Q

Pulley

A

No friction so tension is constant throughout system

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7
Q

Air resistance

A

Never air resistance

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