Science > Physics > Work, Power, and Energy > Conservation of Energy In this article, we shall study the concept of energy, types of mechanical energies, and the law of conservation of energy Energy: Different types of energy are mechanical energy, sound energy, heat energy, light energy, chemical energy, electrical energy, atomic energy, nuclear energy. […]
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 […]
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 […]
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, […]
Science > Physics > Force >Elastic and Inelastic Collision When two bodies moving along a straight line collide with each other the collision is called the head-on collision. In a head-on collision, the initial and the final velocities are along the same straight line. Elastic Collision: The collision in which the total kinetic energy, as […]
Science > Physics > Oscillations: Simple Harmonic Motion > Composition of Two SHM In this article, we shall study the composition of two SHM. Sometimes particle is acted upon by two or more linear SHMs. In such a case, the resultant motion of the body depends on the periods, paths and the relative phase angles […]
Science > Physics > Oscillations: Simple Harmonic Motion > Numerical Problems on Energy of Particle Performing S.H.M. In this article, we shall study to solve numerical problems to calculate potential energy, kinetic energy, and total energy of particle performing S.H.M. Example – 01: A particle of mass 10 g performs S.H. M. of amplitude 10 […]
Science > Physics > Oscillations: Simple Harmonic Motion > The Energy of Particle Performing S.H.M. In this article, we shall study the concept and expression of the total energy of a particle performing S.H.M. and its constituents. Kintetic Energy of Particle Performing Linear S.H.M.: Consider a particle of mass ‘m’ which is performing linear S.H.M. […]
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 […]
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 […]