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MOTION

MOTION.PDF

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MOTION

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  1. motion

  2. Motion: definition  motion motionis a change in position of an object with respect to time.Motion Motionis typically described in terms of displacement, distance (scalar), velocity, acceleration, time and speed.

  3. Types of motion Types of motion OSCILLATORY MOTION VIBRATORY MOTION translatory motion ROTATORY MOTION RECTILINEAR MOTION CURVILINEAR MOTION RANDOM MOTION MULTIPLE MOTION NON-PERIODIC MOTION PERIODIC MOTION ROLLING MOTION Uniform motion Non-uniform motion

  4. TRANSLATORY motion  When an object moves in such a way that every point of the object moves the same distance in the same time, then the object is said to be in translatory motion.  There are two types of translatory motion –  Rectilinear motion curvilinear motion When an object moves WHEN AN OBJECT MOVES in a straight line. ALONG A CURVED PATH.

  5. ROTATORY MOTION  WHEN EVERY POINT ON A MOVING OBJECT MOVES AROUND A CENTRE OR AXIS OF ROTATION, IT IS SAID TO BE IN ROTATORY MOTION.

  6. OSCILLATORY MOTION  THE TO ANDFROM MOTION OF AN OBJECT ABOUT A FIXED POINT IS CALLED OSCILLATORY MOTION.

  7. Vibratory motion  When a part of an object moves to and fro about its fixed position, it is said to be in vibratory motion.

  8. Random motion  If an object keeps on changing its motion from one type into another, it is said to be in random motion.

  9. Multiple motion  When an object possesses more than one motion at the same time, it is said to be in multiple motion.

  10. Periodic motion  When an object repeats its motion after a fixed interval of time, is said to be in a periodic motion.

  11. non-periodic motion  When an object does not repeat its motion after a fixed interval of time, it is said to be in non periodic motion.

  12. Rolling motion  if an object undergoes translatoryas well as rotatory motion, it is said to be in rolling motion.

  13. Uniform motion  If an object covers equal distances in equal intervals of time, it is said to be in uniform motion.

  14. Non-uniform motion  If an object covers equal distances in unequal intervals of time, it is said to be in non-uniform motion.

  15. Speed : definition

  16. Average speed average speedis defined as the total distance covered over the time interval. For example, if a distance of 80 kilometres is driven in 1 hour, the average speed is 80 kilometres per hour.

  17. velocity

  18. Velocity : definition  Velocity Velocityis a physical vector quantity; both magnitude and direction are needed to define it.

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