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NEET UG System of Particles and Rotational Motion — practice questions — page 3

Explore 139 free System of Particles and Rotational Motion questions in NEET UG 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 61–90 of 139.

Sort each quantity by its kind of motionRead the answer and worked solution →Fill the gaps on rotationRead the answer and worked solution →Does the body translate or rotate?Read the answer and worked solution →Spot the one that does not fitRead the answer and worked solution →Order the reasoning to moment of inertiaRead the answer and worked solution →Pick the right answer, quicklyRead the answer and worked solution →A ring of mass 2 kg, radius 0.5 m, spins about its central perpendicular axis. Its I isRead the answer and worked solution →A uniform disc of mass 4 kg and radius 0.2 m turns about its central axis normal to its face. Find its moment of inertia.Read the answer and worked solution →A rod of mass 3 kg, length 2 m, spins about a perpendicular axis at its midpoint. Its I isRead the answer and worked solution →A disc of mass 8 kg and radius 0.5 m is turned about one of its diameters. What is its moment of inertia?Read the answer and worked solution →For a thin ring, what is the ratio of I about a diameter to I about its central perpendicular axis?Read the answer and worked solution →A hollow and a solid cylinder share the same mass and radius. Ratio of I (hollow : solid) about their axes?Read the answer and worked solution →What is the radius of gyration of a uniform disc of radius R about its diameter?Read the answer and worked solution →A thin rod of length L spins about a perpendicular axis through its centre. Its radius of gyration isRead the answer and worked solution →A body of mass 2 kg has moment of inertia 8 kg m^2 about an axis. What is its radius of gyration?Read the answer and worked solution →Which quantity is the rotational analogue of mass in linear motion?Read the answer and worked solution →The rotational analogue of force in linear motion is calledRead the answer and worked solution →Which statement about the moment of inertia of a rigid body is true?Read the answer and worked solution →Torque has the same dimensions as which quantity?Read the answer and worked solution →Torque and work share dimensions. How do they differ?Read the answer and worked solution →A 10 N force acts at right angles to a spanner, 0.5 m from the bolt. What torque does it produce?Read the answer and worked solution →A 10 N force acts 0.5 m from a pivot at 30 degrees to the position vector. Find the torque.Read the answer and worked solution →When is the torque of a non-zero force about a point zero?Read the answer and worked solution →If both the position vector r and force F are reversed, the torque r x FRead the answer and worked solution →Where must a force be applied on a door to open it most effectively?Read the answer and worked solution →Vectors of size 3 and 4 are 30 degrees apart. Magnitude of their cross product?Read the answer and worked solution →What is the cross product of a vector with itself, a x a?Read the answer and worked solution →For the unit vectors of a right handed system, what is i x j?Read the answer and worked solution →Under reflection (x to -x, y to -y, z to -z), the cross product a x bRead the answer and worked solution →While applying the right hand rule to a x b, through which angle is the rotation taken?Read the answer and worked solution →

Worked practice questions

Sort each quantity by its kind of motion

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Items
  1. Item
    Mass
    Category
    Linear
  2. Item
    Force
    Category
    Linear
  3. Item
    Velocity
    Category
    Linear
  4. Item
    Torque
    Category
    Rotational
  5. Item
    Moment of inertia
    Category
    Rotational
  6. Item
    Angular velocity
    Category
    Rotational
  7. Item
    Energy
    Category
    Either one
  8. Item
    Equilibrium
    Category
    Either one
Categories
  1. Item
    Linear
  2. Item
    Rotational
  3. Item
    Either one
Instructions
Tap a quantity, then tap the box it belongs in.
_Source: syllabus Physics, Ch 6 'Systems of Particles and Rotational Motion'_

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Fill the gaps on rotation

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Missing parts
  1. Answer
    rigid
    Choices
    1. rigid
    2. rugged
    3. ridged
  2. Answer
    torque
    Choices
    1. torque
    2. tension
    3. traction
  3. Answer
    metre
    Choices
    1. metre
    2. minute
    3. mole
  4. Answer
    inertia
    Choices
    1. inertia
    2. impulse
    3. impetus
Complete the statement
A body of fixed shape is called {0}. The rotational twin of force is {1}, measured in newton {2}. The twin of mass is the moment of {3}.
Instructions
Tap a word to drop it into the empty slot.
_Source: syllabus Physics, Ch 6 'Systems of Particles and Rotational Motion'_

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Does the body translate or rotate?

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Left
Translates
Items
  1. Item
    A sliding block
    Answer
    Translates
  2. Item
    A falling stone
    Answer
    Translates
  3. Item
    A moving lift
    Answer
    Translates
  4. Item
    A ceiling fan
    Answer
    Rotates
  5. Item
    A spinning top
    Answer
    Rotates
  6. Item
    A turning wheel
    Answer
    Rotates
  7. Item
    Fixed on a line
    Answer
    Rotates
  8. Item
    About a set axis
    Answer
    Rotates
Right
Rotates
Instructions
Swipe left for Translates, right for Rotates.
_Source: syllabus Physics, Ch 6 'Systems of Particles and Rotational Motion'_

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