Circular Motion: Quiz

Question 1 of 10

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What is the formula for an angle?

Select one of the following:

  • arc length/ radius

  • arc length/ time

  • radius x arc length

Question 2 of 10

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What is angular velocity measured in?

Select one of the following:

  • Radians

  • Metres/ second

  • Radians/ second

Question 3 of 10

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What is the direction of centripetal acceleration?

Select one of the following:

  • The direction in which the object is travelling

  • The opposite direction to which the object is travelling

  • Towards the centre of the circle

  • Away from the centre of the circle

Question 4 of 10

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Centripetal force is a scalar quantity.

Select one of the following:

  • True
  • False

Question 5 of 10

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A man is riding a bicycle along a road at a constant speed. The wheels of the bike have a radius of 30cm and an angular velocity of 15 rad/s. What is the speed of the bicycle?

Select one of the following:

  • 2 m/s

  • 450 m/s

  • 4.5 m/s

  • 45 m/s

  • 20 m/s

Question 6 of 10

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According to Kepler's third law, the square of the periodic time of a satellite's orbit about a planet is inversely proportional to which of the following?

Select one of the following:

  • The mass of the planet

  • The radius of the planet

  • The distance between the planet and the satellite

Question 7 of 10

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A particle travels at at constant speed in a circle. What is its angular velocity if it completes 8 revolutions in 4 seconds?

Select one of the following:

  • 6 π rad/s

  • 6 rad/s

  • 2 rad/s

  • 2 π rad/s

Question 8 of 10

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Centrifugal force acts in the direction away from the centre of the circle.

Select one of the following:

  • True
  • False

Question 9 of 10

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When a satellite is orbiting the earth, its linear velocity squared is proportional to which of the following?

Select one of the following:

  • R

  • 1/R

  • M

  • G

Question 10 of 10

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T = 2πr/v is the formula for centripetal acceleration

Select one of the following:

  • True
  • False
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Circular Motion: Quiz

tatemae.honne
Quiz by , created almost 3 years ago

This quiz covers the topics of angles, velocity, centripetal acceleration, periodic time, centripetal forces and kepler's third law. It tests knowledge learnt in the mind map on circular motion and the corresponding notes and flash card decks.

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alex.examtime9373
Created by alex.examtime9373 almost 3 years ago
tatemae.honne
Copied by tatemae.honne almost 3 years ago
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