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Author Question: The axis of rotation of a top changes its direction as the top spins because: a. the inertia of the ... (Read 84 times)

mmm

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on: Jul 28, 2018
The axis of rotation of a top changes its direction as the top spins because:
 a. the inertia of the top keeps its orientation changing.
  b. conservation of rotational motion keeps the direction changing if it was changing to start.
  c. rotational kinetic energy causes the direction to shift.
  d. gravitational force exerts torque on the top.
  e. angular momentum is conserved.

Question 2

Which of the following would make the demonstration illustrated in this figure function less effectively?
 a. Use a piece of cardboard with a greater mass.
  b. Use a piece of cardboard with a greater radius.
  c. Use a piece of cardboard with less mass and smaller radius.
  d. Use a thinner pencil.
  e. Use a thicker pencil.


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lkanara2

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Reply #1 on: Jul 28, 2018
Answer to Question 1

d

Answer to Question 2

c


mmm

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Reply 2 on: Jul 28, 2018
Gracias!

tranoy

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Reply 3 on: Yesterday
Great answer, keep it coming :)

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