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...Www gradeup co system of particle and rotational motion is an important topic from air force group x y exam point view this short notes on will help you in revising the before can also download pdf format at end post a rigid body centre axis visualization defined as change position object with respect to time its surrounding fixed imaginary lines describe space cartesian coordinate taken intersection where all three axes mutually perpendicular each other it known origin mass whole supposed be concentrated if forces acting were applied nature shall remains unaffected two let us assume particles b which has masses m respectively their vectors o vector c given by z are coordinates locations then for n having whose doesn t because positions geometrical velocity similarly acceleration basic concept linear momentum angular rate displacement ds torque or moment turning effect about rotation measured product magnitude distance between line action...