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Define Rotational motion?

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Rotational motion can be defined as a motion of an object around a circular path, in a fixed orbit. It can also be defined as the motion of a body, in which all of its particles move in a circular motion with a common angular velocity, about a fixed point—for example, the rotation of Earth about...
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Rotational motion can be defined as a motion of an object around a circular path, in a fixed orbit. It can also be defined as the motion of a body, in which all of its particles move in a circular motion with a common angular velocity, about a fixed point—for example, the rotation of Earth about its axis. 

 

The rotation of an object about a fixed point can be of two directions: Clockwise and the anticlockwise direction. The energy produced due to this rotational motion is called rotational energy. There are many essential terms associated with rotational motion like torque, the moment of inertia, angular momentum etc.

 

  • Torque: The magnitude of force applied on a body, away from the point of application of force s called th torque. It is also called the "turning effect". For example, it is easier to push a door open at its ends, rather than at the hinges.
  • Moment of Inertia: It is a quantity that determines the amount of torque required to rotate an object, about its axis. It is also called the rotational inertia. 
  • Angular momentum: It is a product of angular velocity and the moment of inertia, which determines the quantity of rotation of the body.



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Math & Physics Tutor

Rotational motion is the change of position of an object with respect to its surrounding on a circular path. motion of ceiling fan.
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Teacher

Motion in which angular position changes with time
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If a body is pivoted at a point and the force is applied on the body at a suitable point, it rotates the body about the axis passing through the pivoted point. This is the turning effect of the force and the motion of body is called the Rotational motion.
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If a body is pivoted at a point and the force is applied on the body at a suitable point, it rotates the body about the axis passing through the pivoted point. This is the turning effect of the force and the motion of body is called the Rotational motion.

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Maths Teacher

Rotational motion deals only with rigid bodies. A rigid body is an object that retains its overall shape, meaning that the particles that make up the rigid body remain in the same position relative to one another. A wheel and rotor of a motor are common examples of rigid bodies that commonly appear in...
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Rotational motion deals only with rigid bodies. A rigid body is an object that retains its overall shape, meaning that the particles that make up the rigid body remain in the same position relative to one another. A wheel and rotor of a motor are common examples of rigid bodies that commonly appear in questions involving rotational motion. read less
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Excellence Award Winner

A rotation is a circular movement of an object around a center (or point) of rotation . A three-dimensional object always rotates around an imaginary line called a rotation axis. If the axis passes through the body's center of mass, the body is said to rotate upon itself, or spin.
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Tutor

A rotation is a circular movement of an object around a center (or point) of rotation . A three-dimensional object always rotates around an imaginary line called a rotation axis. If the axis passes through the body's center of mass, the body is said to rotate upon itself, or spin.A rotation is a circular...
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A rotation is a circular movement of an object around a center (or point) of rotation . A three-dimensional object always rotates around an imaginary line called a rotation axis. If the axis passes through the body's center of mass, the body is said to rotate upon itself, or spin.A rotation is a circular movement of an object around a center (or point) of rotation . A three-dimensional object always rotates around an imaginary line called a rotation axis. If the axis passes through the body's center of mass, the body is said to rotate upon itself, or spin. read less
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The circular movement of an object around a center or point.
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TEACHING IS MY PASSION-I STILL STRIVE TO BETTER MY TEACHING ABILITIES

There are two types of rotational motions: 1.If the Object / Particle, rotates around an AXIS passing through its Body, Then that Rotational motion is called 'SPIN MOTION" 2.If the Object / Particle, rotates around an AXIS lying outside its Body, Then that Rotational motion is Called Orbital Ro...
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If a body changes its orientation during its motion it is said to be in rotational motion.
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