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प्रश्न
State how the velocity-time graph can be used to find The displacement of the body in a given time.
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उत्तर
The displacement of a body in a given time is given by the area enclosed between the velocity-time graph and X-axis (with proper signs).
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संबंधित प्रश्न
Fill in the following blank with suitable word :
Displacement is a…………………… quantity whereas distance is a………………………….
Clarify the difference.
Distance and displacement
Can displacement be zero even if the distance is not zero? Give one example to explain your answer.
Can displacement-time sketch be parallel to the displacement axis? Give a reason to your answer.
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 _____________
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
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.
Match the following.
| 1. | Displacement | Knot |
| 2. | Light travelling through vacuum | Geometric centre |
| 3. | Speed of ship | Metre |
| 4. | Centre of gravity of geometrical shaped objects | Larger base area |
| 5. | Stability | Uniform velocity |
Four cars A, B, C, and D are moving on a levelled road. Their distance versus time graphs are shown in Fig. 8.2. Choose the correct statement.
Displacement can be zero but distance never.
