# Nootan Solutions Centre of Mass ISC Class-11 Physics Nageen Prakashan

Centre of Mass Nootan Solutions ISC Physics Part-1 Class-11 Nageen Prakashan Chapter-10 Numericals of latest edition. Step by step Solutions of Kumar and Mittal ISC Physics Class-11 Nageen Prakashan Numericals Questions. Visit official Website for detail information about ISC Board Class-11 Physics.

## Centre of Mass Nootan Solutions ISC Physics Class-11 Nageen Prakashan Chapter-10 Numericals of Kumar and Mittal.

 Class: 11 Subject: Physics Part-1 Chapter Ch:10  Centre of Mass
 Board ISC Writer / Publications Nootan / Nageen Prakashan / Kumar and Mittal Topics Solved Numericals of page 411, 412

## ISC Physics Class-11 Nageen Prakashan Chapter-10  Centre of Mass Numericals of Kumar and Mittal

#### What is Center of Mass?

Centre of mass of a body or system of a particle is defined as, a point at which whole of the mass of the body or all the masses of a system of particle appeared to be concentrated.

When we are studying the dynamics of the motion of the system of a particle as a whole, then we need not bother about the dynamics of individual particles of the system. But only focus on the dynamic of a unique point corresponding to that system.

Motion of this unique point is identical to the motion of a single particle whose mass is equal to the sum of all individual particles of the system and the resultant of all the forces exerted on all the particles of the system by surrounding bodies (or) action of a field of force is exerted directly to that particle. This point is called the center of mass of the system of particles. The concept of center of mass (COM) is useful in analyzing the complicated motion of the system of objects, particularly When two and more objects collide or an object explodes into fragments.

#### Centre of Mass Formula

We can extend the formula to a system of particles.The equation can be applied individually to each axis,

The above formula can be used if we have point objects. But we have to take a different approach if we have to find the center of mass of an extended object like a rod. We have to consider a differential mass and its position and then integrate it over the entire length.

### Chapter-10  Rotational Motion of a rigid body

ISC Physics Class-11 Nootan Solutions Nageen Prakashan Numericals of Kumar and Mittal

Page No 411, 412

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