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22/10/2021 6:55 pm
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Define motion. What do you understand by the terms ‘uniform motion’ and ‘non-uniform motion’? Explain with examples.
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22/10/2021 6:56 pm
A body is said to be in motion when its position changes continuously with respect to a stationary object taken as reference point.
A body has uniform motion if it travels equal distances in equal intervals of time, no matter how small these time intervals may be.
For example: a car running at a constant speed of 10m/s, will cover equal distance of 10m every second, so its motion will be uniform.
Non-uniform motion: A body has a non-uniform motion if it travels unequal distances in equal intervals of time.
For example: dropping a ball from the roof of a tall building