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KEAM Rotational Motion — practice questions — page 3

Explore 64 free Rotational Motion questions in KEAM Physics. Open each question or exercise to read its content, reference answers and available explanation.

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Rotational Motion questions and exercises with answers

Showing questions 61–64 of 64.

Count the quantitiesRead the answer and worked solution →Rotational motion, mixed checkRead the answer and worked solution →True of a rigid bodyRead the answer and worked solution →Odd one out: vectors hereRead the answer and worked solution →

Worked practice questions

Count the quantities

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Questions
  1. Answer
    2
    Question
    How many vectors are multiplied in a cross product?
  2. Answer
    9
    Question
    ab sin theta with theta = 90 and a = b = 3. What is it?
  3. Answer
    2
    Question
    How many types of motion can a free rigid body combine?
Instructions
Work it out, key the number in, then press enter.
_Source: syllabus Physics Part 1, Ch 6 'Systems of Particles and Rotational Motion' (keph106)_

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Rotational motion, mixed check

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Questions
  1. Statement is true
    Yes
    Statement
    The cross product of two vectors is itself a vector.
  2. Statement is true
    Yes
    Statement
    Torque and moment of force mean the same thing.
  3. Statement is true
    Yes
    Statement
    The centre of mass velocity is P divided by M.
  4. Statement is true
    No
    Statement
    Angular velocity is a scalar.
Instructions
Tap True or False for each statement.
_Source: syllabus Physics Part 1, Ch 6 'Systems of Particles and Rotational Motion' (keph106)_

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True of a rigid body

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Questions
  1. Items
    1. Text
      Fixed distances
      Matches the category
      Yes
    2. Text
      Can rotate
      Matches the category
      Yes
    3. Text
      Can translate
      Matches the category
      Yes
    4. Text
      Melts on heating
      Matches the category
      No
    5. Text
      Changes shape
      Matches the category
      No
    6. Text
      Refracts light
      Matches the category
      No
    Category
    True of a rigid body
Instructions
Tap every item that fits the category. Leave the rest.
_Source: syllabus Physics Part 1, Ch 6 'Systems of Particles and Rotational Motion' (keph106)_

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