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प्रश्न
Define displacement. State its unit.
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उत्तर
The shortest distance from the initial to the final position of the body is called the magnitude of displacement. It is in the direction from the initial position to the final position.
Its SI unit is metre (m).
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संबंधित प्रश्न
In which of the following cases of motion, the distance moved and the magnitude of displacement are equal?
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.
Define Displacement.
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 particle moves along a circular path. How many times does it change its direction in two complete rounds?
Give one example where the displacement is zero but the distance travelled is not zero.
Write a note on the following:
knot
A man leaves his house at 6.30 a.m. for a morning walk and returns back at 7.30 a.m. after covering 4 km. The Displacement covered by him is ______.
If the displacement-time graph of a particle is parallel to the time axis, the velocity of the particle is ______.
