science
Grade6
Easy
Question
A child runs at a speed of 5 m/s for 20 seconds and wins the race. What kind of motion has he made?
- Uniform
- Non-uniform
- Random
- None of the above
Hint:
The child ran for 5m/s means in every second he covered 5 meters which is constant for the entire 20 seconds. Hence he made a uniform motion.
The correct answer is: Uniform
- In the case given above,
- For uniform motion, the body has to cover an equal distance in equal time intervals.
- With the same velocity throughout the motion, the body can also depict uniform motion.
- The child ran for 100 meters, and in every second he covered 5 meters which means his velocity and speed were constant throughout the journey from 0 meters to 100 meters. Hence he has a uniform motion.
- For uniform motion, the body has to cover an equal distance in equal time intervals.
- With the same velocity throughout the motion, the body can also depict uniform motion.
- The child ran for 100 meters, and in every second he covered 5 meters which means his velocity and speed were constant throughout the journey from 0 meters to 100 meters. Hence he has a uniform motion.
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