rigid bodies Flashcards

1
Q

rigid bodies take into account…

A

rotation of the body, size of the object

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2
Q

moments in equilibrium

A

clockwise moment = anti-clockwise

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3
Q

what is the moment of a force

A

measures the turning effect of the force on the body on which it is acting

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4
Q

moment of a force =

A

force x distance ( PERPENDICULAR DISTANCE)

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5
Q

if a rigid body is in equilibrium,

A
  • the resultant force in any direction = 0 , so forces up = forces down (y1)
  • the resultant moment about any point is 0 ( clockwise moment = anti-clockwise moment)
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6
Q

what does uniform mean?
where does weight act on a uniform body

A
  • mass spread evenly
  • weight acts on the centre
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