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प्रश्न
In which of the following cases of motions, the distance moved and the magnitude of displacement are equal?
विकल्प
If the car is moving on a straight road
If the car is moving in a circular path
The pendulum is moving to and fro
The earth is revolving around the Sun
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उत्तर
If the car is moving on a straight road
Expalantion:
If the car is moving on a straight road, the distance moved and the magnitude of displacement are equal.
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संबंधित प्रश्न
If on a round trip you travel 6 km and then arrive back home :
What is your final displacement ?
Is displacement a scalar quantity?
Clarify the difference.
Distance and displacement
What can you say about the nature of motion of a body if its displacement-time graph is A curve.
Draw a velocity-time graph for a body moving with an initial velocity u and uniform acceleration a. Use this graph to find the distance travelled by the body in time t.
The table below shows the distance travelled by two vehicles A and B during each second:
| Time (s) | 0 | 1 | 2 | 3 | 4 | 5 | 6 | 7 |
| Distance travelled by A (m) | 0 | 20 | 80 | 180 | 240 | 300 | 360 | 420 |
| Distance travelled by B (m) | 0 | 10 | 40 | 90 | 160 | 250 | 360 | 490 |
Which vehicle is moving with uniform velocity?
The table below shows the distance travelled by two vehicles A and B during each second:
| Time (s) | 0 | 1 | 2 | 3 | 4 | 5 | 6 | 7 |
| Distance travelled by A (m) | 0 | 20 | 80 | 180 | 240 | 300 | 360 | 420 |
| Distance travelled by B (m) | 0 | 10 | 40 | 90 | 160 | 250 | 360 | 490 |
Which vehicle is ahead at the end of 7th second and by how much?
Exercise Problems.
An athlete completes one round of a circular track of diameter 200 m in 40 s. What will be the distance covered and the displacement at the end of 2 m and 20 s?
A particle is moving in a circular pattern of radius r. The displacement after half a circle would be ______.
If the displacement-time graph of a particle is parallel to the time axis, the velocity of the particle is ______.
