What is Torque?
The force that may cause an object to rotate along an axis is measured by torque. In linear kinematics, force is what propels an object forward. An angular acceleration is also caused by torque. As a result, torque can be thought of as the linear force’s rotating equivalent. The axis of rotation is the point around which an object rotates. Torque is defined as a force’s proclivity to turn or twist in physics.
Formula of Torque is,
τ = r × F
where,
- r is Perpendicular Distance
- F is Force Applied of Object
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Points to Remember
- Angular Momentum is defined as the attribute of any rotating object that is determined by the product of the moment of inertia and angular velocity.
- Magnitude of angular momentum ‘L’ can be calculated using the following formula: L = rmv sin Φ
- Spin and orbital angular momentum are the two types of angular momentum.
- L = r × p is the formula for calculating the angular momentum of a point object.
- L = I × ω is the formula for calculating the angular momentum of a long object.
- Radius of Circle determines a body’s perpendicular velocity when no torque is applied.
Angular Momentum
Angular Momentum is a kinematic characteristic of a system with one or more point masses. Angular momentum is sometimes called Rotational Momentum or Moment of Momentum, which is the rotational equivalent of linear momentum. It is an important physical quantity as it is conserved for a closed system and follows the Law of Conservation of Angular Momentum. Angular Momentum is equal to the product of the moment of inertia (I), and the angular velocity (ω), of an object in rotational motion. Angular Momentum is a vector quantity. The SI unit of angular momentum is Kg.m2.s-1
Let’s understand more concepts about angular momentum like What is Angular Momentum? Angular Momentum Formula, Unit and Dimensional formula of Angular Momentum, Spin, and Orbital angular momentum, the relation between torque and angular momentum, Law of Conservation of Angular Momentum, FAQs, and Examples of Angular Momentum.
Table of Content
- What is Angular Momentum?
- Angular Momentum Formula
- Angular Momentum of a System of Particles
- Angular Momentum of a Rigid Body
- Right-Hand Thumb Rule
- Angular Momentum and Moment of Inertia
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