Dynamics of Uniform Circular Motion (copy)

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8 Terms

1
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Uniform Circular Motion

the motion of an object traveling at a CONSTANT speed on a circular path

2
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centripetal acceleration

  • the acceleration of an object moving in uniform circular motionā€”resulting from a net external force

  • Any change in the velocity vector, even if it is ONLY a change in direction, means that an acceleration is occurring

  • the speed is constant, but the DIRECTION of the velocity vector is NOT CONSTANT

3
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centripetal force

  • keeps an object moving on a circular path.

  • its direction always points TOWARDS THE CENTER of the circle at any point along its circular motion.

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banked curve

a turn in which the driving surface is not horizontal

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static frictional force

on an unbanked curve, which force provides the centripetal force?

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frictionless banked curve

on a (?), the centripetal force is the horizontal component of the normal force

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slide down

At a speed that is too small for a given šš¹, šš car would (?) a frictionless banked curve

8
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slide off the top

at a speed that is too large, a car would (?) a frictionless banked curve