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Moment of Inertia of Some Standard Bodies About Different Axes
Angular Displacement
Rotational kinetic energy and moment of inertia of a rigid body
Consider a rigid body rotating with angular velocity about ω about an axis XO
Translatory and Rotatory Equilibrium
Fo
Theorem of Parallel Axes
Moment of inertia of a body about a given axis I is equal to the sum of moment of inertia of the body about an ax
Slipping, Spinning and Rolling
Centre of Mass
Centre of mass of a system (body) is a point that moves as though all the mass were concentrated there and all external forces were
Rigid Body: A rigid body is a system of particles in which interparticle distances do not change and the
body cannot be deformed no matter how large a f
Moment of Inertia
Moment of inertia plays the same role in rotational motion as mass plays
Rolling on an Inclined Plane
When a body of mass m and radius R rolls down on inclined plane of height ‘h’ a
Work, Energy and Power for Rotating Body
Work : If the body is initially at rest and angular disp
Rolling Without Slipping
In case of combined translatory and rotatory motion if the object rolls across a surface in such a way that there is no relative motion of
Radius of Gyration
Radius of gyration of a body about a given axis is the perpendicular distance of a point from the axis, where if whole mass of t
Motion of Connected Mass
A point mass is tied to one end of a string which is wound round the solid body [cylinder, pulley, disc]. When the mass is
Centre of Mass of a Distributed System
A body may be considered to be made up of an indefinitely large number of particles, each
Law of Conservation of Angular Momentum
Newton’s second law for rotational motion
Torque or Moment of Force
A force can rotate a nut when applied by a wrench or it can open a door while the door rotates in its hinges (i.e.) in ad
Angular Momentum
The turning momentum of particle about the axis of rotation is called the angular momentum of the particle.
Gels:-
Gels are the colloidal systems in which liquid is the dispersed phase and solid is the dispersion medium. the process is called Galatian. e
Application of Dimensional Analysis.
(1) To find the unit of a physical quantity in a given system of units : In a dimensional formula, replacing M, L and T by the fundamental units of the required system we can get the un
Harmonic oscillation is the repetitive movement of an object or system about a fixed point or equilibrium position in response to a restoring force. It is a type of periodic motion that can be modeled mathematically as a sinusoidal function. Examples of harmonic oscillation include a pendulum swi
Attemps to Classify
In this chapter, we will describe Plantae kingdom under Algae, Bryophytes, Pteridophytes, Gymnosperms and Angiosperms. At pres
Zeroth Law of Thermodynamics.
If systems A and B are each in thermal equilibrium with a third system C, then A
Organic chemistry is that branch of chemistry which deals with the study of compounds of carbon with hydrogen (hydrocarbons), and their derivatives.
System of units : A complete set of units, both fundamental and derived for all kinds of physical quantities is called system of units. The common systems are given below
(1) CGS system : The system is also called Gaussian system of units. In
There are two basic modes of communication
Point to Point Communication: It is a type of communication in which me
System of units : A complete set of units, both fundamental and derived for all kinds of physical quantities is called system of units. The common systems are given below
(1) CGS system : The system is also called Gaussian system of units. In it length, mass
Nitrogen cycle :
Nitrogen is limiting nutrient for both natural and agricultural eco-systems as plants compete with microbes for limited nitrogen that is
General introduction of genetic material
Deoxyribonucleic acid (DNA) and ribonucleic acid (RNA) are the two types of nucleic acids found in l
Coordination id the act of making different organs of body to work together to produce an effect in body, and our body need such control and coordination of all organs to prod
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