science
Grade-7
Easy
Question
In which of the following situations do we need to calculate the average speed of an object?
- When the object is undergoing a non-uniform motion
- When the object is undergoing a uniform motion
- When the object is at rest
- When we cannot calculate the velocity of the object
Hint:
When an object is undergoing a non-uniform motion.
The correct answer is: When the object is undergoing a non-uniform motion
- when the body is in non-uniform motion, we have to calculate the average speed of the body.
- When a body moves with non-uniform speed it covers unequal distance in equal intervals of time.
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| Sand |
Water |
|
| Before placing the bowls in the sunlight |
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300C |
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