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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:

The net torque acting on it is zero Signup and view all the answers

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

To increase the torque Signup and view all the answers

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

Rotational inwards Signup and view all the answers

What is the condition for static equilibrium?

Resultant of all forces is zero Signup and view all the answers

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

W1l1 = W2l2 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?

Centripetal force Signup and view all the answers

What is the center of gravity of an irregular body?

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

What is the characteristic of a uniform circular motion?

Speed remains constant, direction changes 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?

Centrifugal force Signup and view all the answers