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Circular Motion

15 Questions  I  By 11reefeg
Physics Quizzes & Trivia
Circular motion quiz.

  
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Question Excerpt

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1.  Suppose you are at the center of a large freely rotating horizontal turntable in a carnival fun house. As you crawl toward the edge, the angular momentum of you and the turntable
A.
B.
C.
D.
2.  Since angular momentum is conserved in a rotating object,
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B.
C.
D.
3.  Toss a baseball bat into the air and it wobbles about its
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B.
C.
4.  If the polar icecaps melted, the resulting water would spread over the entire earth. The new mass distribution would tend to make the length of the day
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B.
C.
5.  A coin and a ring roll down an incline starting at the same time. The one to reach the bottom first will be the
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B.
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D.
6.  A torque acting on an objct tend to produce
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7.  On a balanced see-saw, a boy three times as heavy as his partner sits
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8.  If you balance a broom horizontally on one finger, the center of gravity of the broom will be above your finger - closer to the bristles end than the handle end. If you saw the broom in two pieces at that point and weigh the two parts on a scale, you'll find that the lighter part is the
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B.
C.
9.  A 1kg rock is suspended from the tip of a meter stick at the 0cm mark so that the meter stick balances like a see-saw when the fulcrum is at the 25cm mark. From this information what is the mass of the meter stick?
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10.  Two people are balanced on a see-saw. If one person leans toward the center of the see-saw, that person's end will
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C.
11.  A tightrope walker more easily balances on a tightrope if his pole
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12.  When doing somersaults, you'll more easily rotate when your body is
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13.  The famous leaning tower of pisa doesn't topple over because its center of gravity is
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D.
14.  As centrifugal force increases
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15.  To turn a stubborn screw, it is best to use a screwdriver that has a
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D.
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