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प्रश्न
Is the following statement correct? If not, modify it suitably to make it correct. "The earth moves round the sun with uniform velocity".
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उत्तर
The statement is not correct , the correct statement is "the earth is moves round the sun with constant speed"
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संबंधित प्रश्न
A motorcycle is being driven at a speed of 20 m/s when brakes are applied to bring it to rest in five seconds. The deceleration produced in this case will be :
A sprinter is running along the circumference of a big sports stadium with constant speed. Which of the following do you think is changing in this case?
Which of the quantity-speed or velocity-gives the direction of motion of a body?
Gita travels with her father in a bike to her uncle’s house which is 40 km away from her home. She takes 40 minutes to reach there.
Statement 1: She travels at a speed of 1 km/minute.
Statement 2: She travels at a speed of 1 km/hour.
A change in the position of an object with time.
Match the Following.
| Sr. No. | List I | List II | |
| 1. | Motion of a body covering equal distances in equal interval of time | A. |  |
| 2. | Motion with non uniform acceleration | B. |  |
| 3. | Constant retardation | C. |  |
| 4. | Uniform acceleration | D. |  |
Motion occurs when the object is pulled or pushed by an agency.
Paheli moves on a straight road from point A to point C. She takes 20 minutes to cover a certain distance AB and 30 minutes to cover the rest of distance BC. She then turns back and takes 30 minutes to cover the distance CB and 20 minutes to cover the rest of the distance to her starting point. She makes 5 rounds on the road the same way. Paheli concludes that her motion is ______.
Correct the following.
1 m = 1000 cm
Consider an object is rest at position x = 20m. Then its displacement – time graph will be straight-line ______ to the time axis.
