Motion can be represented on a graph, with time on the x-axis and distance on the y-axis.
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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.
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.