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प्रश्न
Define Distance.
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उत्तर
The length of path travelled by a body in certain interval of time is called distance.
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संबंधित प्रश्न
Under what conditions can a body travel a certain distance and yet its resultant displacement be zero ?
The displacement of a moving object in a given interval of time is zero. Would the distance travelled by the object also be zero ? Give reason for your answer.
A body is moving along a circular path of radius R. What will be the distance travelled and displacement of the body when it completes half a revolution ?
A boy walks from his classroom to the bookshop along a straight corridor towards North. He covers a distance of 20 m in 25 seconds to reach the bookshop. After buying a book, he travels the same distance in the same time to reach back in the classroom. Find (a) average speed, and (b) average velocity, of the boy.
Copy the following table and fill in the blank spaces.
| Quantity | S.I. Unit | Scalar or Vector |
| Displacement | ___________ | ___________ |
Write the SI units for measurement of distance and displacement.
Give the name of the physical quantity that corresponds to the rate of change of displacement.
Write a note on the following:
Nautical mile
Write a note on the following:
knot
An ant moves from one corner of a room diagonally to the opposite corner. If the dimensions of the hall are 8m x 6m, the displacement of the ant is ______.
