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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
Is displacement a scalar quantity?
In which of the following cases of motion, the distance moved and the magnitude of displacement are equal?
Write an expression for the distance S covered in time t by a body which is initially at rest and starts moving with a constant acceleration a.
Give two differences between displacement and distance.
How can you find the following?
Displacement from velocity – time graph.
From the displacement – time graph shown given below calculate:
- Average velocity in the first three seconds.
- Displacement from the initial position at the end of 13 s.
- Time after which the body is at the initial position,
- Average velocity after 8 s.
A motorbike running at 90 kmh−1, is slowed down to 54 kmh−1 by the application of brakes, over a distance of 40 m. If the brakes are applied with the same force, calculate
- total time in which bike comes to rest
- total distance travelled by bike.
Ashok starts from his house and travels 3 km to reach his school. On finding the school gates closed, he returns to his house. What is?
The distance traveled by Ashok.
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?
State whether true or false. If false, correct the statement.
Distance covered by a particle never becomes zero but displacement becomes zero.
