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What Is Torque?
Torque is the measure of force that causes an object to rotate about an axis. Just like how force causes an object to accelerate in linear kinematics, torque is what causes an object to acquire angular acceleration.
What Is Moment?
In physics, the moment of force is a measure of its tendency to cause a body to rotate about a specific point or axis.
Difference between Torque and Moment
| Torque | Moment |
| It is the measurement of the turning force on an object. | It is the measurement of the perpendicular distance from the point of rotation to the force’s line of action. |
| The symbol of torque is τ and SI unit is newton-metre(N-m). | The symbol of the moment is M and SI unit if newton-metre (N-m). |
| It is dynamic in nature. | It is static in nature. |
| It is used where there is an availability of a pivot and rotation. | It is produced by any lateral force and used in non-rotational events. |
| Torque produces angular acceleration. | Moment does not produce angular acceleration. |
These were some differences between torque and moment. If you wish to learn more, download BYJU’S The Learning App.
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Frequently Asked Questions – FAQs
Q1
What is meant by torque?
Torque is the rotational analogue of linear force. Depending on the topic, it is also termed the moment of force, the turning effect, or the rotational force.
Q2
What is the symbol used to denote torque?
The symbol of torque is τ.
Q3
What is meant by moment?
In physics, the moment of force is a measure of its tendency to cause a body to rotate about a specific point or axis.
Q4
What is the symbol used to denote a moment?
The symbol of the moment is M.
Q5
What is the main difference between torque and moment?
Torque is the measurement of the turning force of a body, while the moment is the measurement of the perpendicular distance from the point of rotation to the force’s line of action.
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