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प्रश्न
Clarify the difference.
Distance and displacement
उत्तर
| Distance | Displacement |
| It is defined as the length of the actual path travelled by an object in motion. | It is defined as the shortest distance between the starting and finishing points. |
| It is a scalar quantity. | It is a vector quantity. |
| The values of distance are always positive. | The values of displacement can be positive, negative or zero. |
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संबंधित प्रश्न
If on a round trip you travel 6 km and then arrive back home :
What distance have you travelled ?
Can displacement-time sketch be parallel to the displacement axis? Give a reason to your answer.
State how the velocity-time graph can be used to find The displacement of the body in a given time.
How is the distance related with time for motion under uniform acceleration such as the motion of a freely falling body?
Define Distance.
Can you suggest the kind of motion of a body from the following distance – time graph?
From the displacement – time graph shown given below calculate :
- Velocity between 0 – 2 s.
- Velocity between 8 s – 12 s.
- Average velocity between 5 s – 12 s.
Calculate the distance and displacement in the following case:
A body is moving along a circular path of radius r. What will be the distance and displacement of the body when it completes:
Half a revolution
A body is moving along a circular path of radius r. What will be the distance and displacement of the body when it completes:
Full revolution
A body is moving along a circular path of radius r. What will be the distance and displacement of the body when it completes:
Two full revolutions
An object is thrown vertically upwards. It rises upto a height H and then returns to its initial position. Calculate
The total distance traveled by the object
A body moves along a circular path of radius r. When it completes three complete rounds, what is the ratio of distance covered to its displacement?
A 50 m long train passes over a bridge at a speed of 30 km/h. If it takes 36 seconds to cross the bridge, calculate the length of the bridge.
The figure represents graphically the velocity of a car moving along a straight road over a period of 100 hours.
Calculate the distance travelled in the last 40 h.
Distance is a ______ quantity.
Write a note on the following:
Nautical mile
The rate of change of displacement ______.
The displacement covered by the second hand of radius V in a clock after one revolution is ______.
Displacement can be zero but distance never.
