Non-uniform motion occurs when an object’s speed or direction changes over time. In this type of motion, the object does not cover equal distances in equal time intervals, resulting in variable velocity.
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Uniform motion occurs when an object travels equal distances in equal time intervals.
We measure the speed of a moving object by dividing the total distance traveled by the time taken. Speed is calculated using the formula: speed = distance ÷ time, and it is usually expressed in units like meters per second.
A stopwatch measures short intervals of time, useful in experiments and sports.
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.