Science > Physics > Rotational Motion > Numerical Problems on Moment of Inertia and Radius of Gyration In this article, we shall study to solve problems of calculation of moment of inertia, the radius of gyration, and torque acting on a rotating body. Example – 01: A thin uniform rod of length 1 m and […]
Tag: Torque
Science > Physics > Rotational Motion > Applications of Parallel and Perpendicular Axes Theorems The parallel axes theorem states that ” The moment of inertia of a rigid body about any axis is equal to the sum of its moment of inertia about a parallel axis through its centre of mass and the product of […]
Categories
Moment of Inertia of Standard Bodies
Science > Physics > Rotational Motion Moment of Inertia of Standard Bodies In this article, we shall study the method of deriving an expression for moment of inertia of a body. Expression for Moment of Inertia of Uniform Rod About a Transverse Axis Passing Through its Centre: Consider a thin uniform rod, of mass M, […]
Categories
Moment of Force
Science > Physics > Force > Moment of Force In this article, we shall study the concept of moment of force, its characteristics, and applications in everyday use. Rigid Body: A rigid body is one whose geometric shape and size remains unchanged under the action of an external force. In the rigid body, the distance […]
Science > Physics > Force > Couple In this article, we shall study the concept of a couple, its characteristics, and applications. Parallel Forces: Forces which are not concurrent and their lines of action are not the same and parallel to each other then the forces are called parallel forces. Example: Children sitting on a […]
Science > Physics > Rotational Motion > Numerical Problems on Kinetic Energy and Angular Momentum In this article, we shall study problems based on the change in kinetic energy and the change in angular momentum of a rotating body. Example – 01: A disc begins to rotate from rest with a constant angular acceleration of […]
Categories
Angular Momentum
Science > Physics > Rotational Motion > Angular Momentum In this article, we shall study important physical quantity related to the rotational motion called the angular momentum. The angular momentum of a rigid body about a given axis is defined as the product of its moment of inertia about the given axis and its angular […]
Science > Physics > Rotational Motion > Kinetic Energy of Rotating Body and Torque Acting on it In this article, we shall study kinetic energy of rotating body and torque acting on it. Kinetic Energy of a Rotating Body: Consider a rigid body rotating about axis passing through point O and perpendicular to the plane […]