Distance measures the total path traveled by an object, regardless of direction, while displacement measures the shortest straight-line distance between the initial and final positions, considering direction. Distance is scalar, and displacement is vector.
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A proper reference point in motion is important because it allows us to accurately determine and describe the position, distance, and direction of an object’s movement, ensuring clear and consistent measurement of its motion.
Oscillatory motion is back-and-forth movement around a central position, like a pendulum.
Circular motion involves an object moving along a curved path, forming a circle, whereas rectilinear motion occurs along a straight line. In circular motion, the direction of the object continuously changes, unlike in rectilinear motion.
Rectilinear motion refers to the movement of an object along a straight line. In this type of motion, the object’s position changes in a linear path, with no deviation in direction. It can occur at constant or varying speeds. .