Tomorrow is my science exam please teach me motion in short (class 9 ncert)
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motion is the phenomenon in which an object changes its position over time. Motion is mathematically described in terms of displacement, distance, velocity, acceleration, speed, and time. ... One can also speak of motion of images, shapes and boundaries.Types Of Motion. There are different types of motion: translational, rotational, periodic, and non periodic motion. Translational Motion. A type of motion in which all parts of an object move the same distance in a given time is called translational motion.
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Motion, in physics, change with time of the position or orientation of a body. Motion along a line or a curve is calledtranslation. Motion that changes the orientation of a body is calledrotation. In both cases all points in the body have the samevelocity (directed speed) and the same acceleration (time rate of change of velocity). The most general kind of motion combines both translation and rotation.