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प्रश्न
What is the difference between distance travelled by a body and its displacement ? Explain with the
help of a diagram.
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उत्तर
| Distance | Displacement |
| 1.Distance has only magnitude, with no specified direction. | 1.Displacement has magnitude as well as direction. |
| 2.It is a scalar quantity. | 2.It is a vector quantity. |
| 3.Two different distances can be added directly. | 3.We have to follow the vector addition method to add displacements. |
One difference in diagrammatic form is as follows:
Here the curved line is the distance traveled and the straight line is the magnitude of the displacement.
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संबंधित प्रश्न
State whether distance is a scalar or a vector quantity.
If on a round trip you travel 6 km and then arrive back home :
What distance have you travelled ?
The numerical ratio of displacement to distance for a moving object is :
In which of the following cases of motion, the distance moved and the magnitude of displacement are equal?
A car starting from rest accelerates uniformly to acquire a speed 20 km h-1 in 30 min. The distance travelled by a car in this time interval will be _____________
Calculate the distance and displacement in the following case:
An object covers a distance of S meters in t seconds as follows :
| S (meters) | 0 | 8 | 20 | 20 | 16 | 10 | 0 |
| t (Seconds) | 80 | 2 | 5 | 10 | 12 | 15 | 10 |
Plot a graph, taking t on X-axis and S on Y-axis. Determine the velocity of the object at time
(i) 6 s, and
(ii) 14 s.
Fill in the boxes.
| S.No | First Move | Seconde Move | Distance (m) | Displacement |
| 1. | Move 4 metres east | Move 2 metres west | 6 | 2 m east |
| 2. | Move 4 metres north | Move 2 metres south | ||
| 3. | Move 2 metres east | Move 4 metres west | ||
| 4. | Move 5 metres east | Move 5 metres west | ||
| 5. | Move 5 metres south | Move 2 metres north | ||
| 6. | Move 10 metres west | Move 3 metres east |
The displacement covered by the second hand of radius V in a clock after one revolution is ______.
Displacement can be zero but distance never.
