Question

system of particles and rotational dynamics​

Answer 1

Answer:

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Explanation:

Rotational velocity is how fast the object is turning. – Rotational displacement is how far the object rotates. – Rotational acceleration is the rate of change of rotational velocity. rider near the edge travels a greater distance in 1 revolution than one near the center.

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Answer 2

Systems of Particles and Rotational Motion.....

• A rigid body is a body with a perfectly definite and unchanging shape. The distances between all pairs of particles of such a body do not change.

• Centre of Mass

For a system of particles, the centre of mass is defined as that point where the entire mass of the system is imagined to be concentrated, for consideration of its translational motion.

If all the external forces acting on the body/system of bodies were to be applied at the centre of mass, the state of rest/ motion of the body/system of bodies shall remain unaffected.

• The centre of mass of a body or a system is its balancing point. The centre of mass of a two- particle system always lies on the line joining the two particles and is somewhere in between the particles.