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Karnataka PUC I System of Particles and Rotational Motion — practice questions — page 2

Explore 50 free System of Particles and Rotational Motion questions in Karnataka PUC I Physics. Open each question or exercise to read its content, reference answers and available explanation.

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System of Particles and Rotational Motion questions and exercises with answers

Showing questions 31–50 of 50.

Angular velocity is a vectorRead the answer and worked solution →Linear velocity in rotationRead the answer and worked solution →The cross productRead the answer and worked solution →Vector operation to resultRead the answer and worked solution →The centre of massRead the answer and worked solution →Momentum of a systemRead the answer and worked solution →Defining the centre of massRead the answer and worked solution →Quantity to definitionRead the answer and worked solution →Torque and its other nameRead the answer and worked solution →Angular momentumRead the answer and worked solution →Odd one out: system quantitiesRead the answer and worked solution →Torque, in wordsRead the answer and worked solution →Which is largerRead the answer and worked solution →Same axis, same omegaRead the answer and worked solution →Translation versus rotationRead the answer and worked solution →Motion to descriptionRead the answer and worked solution →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

Angular velocity is a vector

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Questions
  1. Statement is true
    Yes
    Statement
    Angular velocity is a vector.
  2. Statement is true
    Yes
    Statement
    It is directed along the axis of rotation.
  3. Statement is true
    Yes
    Statement
    Its magnitude is d theta by d t.
  4. Statement is true
    No
    Statement
    For rotation about a fixed axis its direction keeps changing.
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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Linear velocity in rotation

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Missing parts
  1. Answer
    omega
    Choices
    1. omega
    2. m
    3. F
  2. Answer
    position
    Choices
    1. position
    2. velocity
    3. force
Complete the statement
For a body rotating about a fixed axis, v = {0} cross r, where r is the {1} vector of the particle.
Instructions
Tap a chip from the bank to fill each blank.
_Source: syllabus Physics Part 1, Ch 6 'Systems of Particles and Rotational Motion' (keph106)_

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The cross product

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Questions
  1. Question
    The cross product of two vectors is a
    Choices
    1. Vector
    2. Scalar
    3. Matrix
    Correct choice
    Vector
  2. Question
    Its magnitude is
    Choices
    1. ab cos theta
    2. ab sin theta
    3. a plus b
    Correct choice
    ab sin theta
  3. Question
    Its direction is given by
    Choices
    1. The left foot rule
    2. Alphabetical order
    3. The right hand rule
    Correct choice
    The right hand rule
  4. Question
    Cross product is written as
    Choices
    1. a x b
    2. a . b
    3. a + b
    Correct choice
    a x b
Instructions
Tap the chip that answers each prompt.
_Source: syllabus Physics Part 1, Ch 6 'Systems of Particles and Rotational Motion' (keph106)_

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More Physics topics

Laws of MotionGravitationWork, Energy and PowerKinetic Theory & OscillationsMechanical Properties of Solids and FluidsMotion in a PlaneThermal Properties of Matter & ThermodynamicsUnits, Measurements and Motion in a Straight Line