ICSE Class 10 Physics: Rigid Body Motion
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ICSE Class 10 Physics: Rigid Body Motion

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Questions and Answers

What is the product of the magnitude of force and the perpendicular distance between the line of action of force and the axis of rotation?

  • Linear momentum
  • Angular velocity
  • Couple
  • Torque (correct)

    • A force is applied tangentially to the rim of a wheel to produce rotation. What is the direction of the moment of force?

  • Radial inwards
  • Rotational outwards (correct)
  • Rotational inwards
  • Tangential outwards

    • What is the name of the pair of forces that produce rotation when acting on a body?

  • Couple (correct)
  • Torque
  • Angular velocity
  • Linear momentum

    • A rigid body is said to be in equilibrium when:

    <p>The net torque acting on it is zero</p> Signup and view all the answers

    What is the purpose of providing a long handle to a spanner?

    <p>To increase the torque</p> Signup and view all the answers

    What is the direction of the moment of force when it is applied clockwise?

    <p>Rotational inwards</p> Signup and view all the answers

    What is the condition for static equilibrium?

    <p>Resultant of all forces is zero</p> Signup and view all the answers

    What is the torque due to W1 and W2 in a state of equilibrium?

    <p>W1l1 = W2l2</p> Signup and view all the answers

    What is the force that acts on a body moving in a circular path, directed towards the center of the circle?

    <p>Centripetal force</p> Signup and view all the answers

    What is the center of gravity of an irregular body?

    <p>The point where the algebraic sum of moments of weights of all particles is zero</p> Signup and view all the answers

    What is the characteristic of a uniform circular motion?

    <p>Speed remains constant, direction changes</p> Signup and view all the answers

    What is the force that is assumed to be acting in a direction away from the center of a circular path?

    <p>Centrifugal force</p> Signup and view all the answers

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