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प्रश्न
What can you say about the nature of motion of a body if its displacement-time graph is A straight line parallel to the time axis?
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उत्तर
There is no motion, the body is at rest.
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संबंधित प्रश्न
The numerical ratio of displacement to distance for a moving object is :
If the displacement of an object is proportional to the square of time, then the object is moving with :
Clarify the difference.
Distance and displacement
When is the magnitude of displacement equal to the distance?
A car travels a distance 100 m with constant acceleration and average velocity of 20 ms-1. The final velocity acquired by the car is 25 ms-1.
Find
(i) The initial velocity.
(ii) Acceleration of the car.
Give an example of a body which covers a certain distance, but its displacement is zero.
A motorbike running at 90 kmh−1, is slowed down to 54 kmh−1 by the application of brakes, over a distance of 40 m. If the brakes are applied with the same force, calculate
- total time in which bike comes to rest
- total distance travelled by bike.
Ashok starts from his house and travels 3 km to reach his school. On finding the school gates closed, he returns to his house. What is?
The distance traveled by Ashok.
Is distance covered during nth second more than the distance covered in n seconds?
The table below shows the distance travelled by two vehicles A and B during each second:
| Time (s) | 0 | 1 | 2 | 3 | 4 | 5 | 6 | 7 |
| Distance travelled by A (m) | 0 | 20 | 80 | 180 | 240 | 300 | 360 | 420 |
| Distance travelled by B (m) | 0 | 10 | 40 | 90 | 160 | 250 | 360 | 490 |
Which vehicle is moving with a constant acceleration?
