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प्रश्न
In which of the following cases of motion, the distance moved and the magnitude of displacement are equal?
पर्याय
if the car is moving on straight road
if the car is moving on circular road
if the pendulum is moving to and fro
if a planet is moving around the sun
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उत्तर
if the car is moving on straight road
The magnitude of displacement is equal to the distance travelled by a body when it travels in a straight line.
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संबंधित प्रश्न
State whether distance is a scalar or a vector quantity.
How is the distance related with time for motion under uniform acceleration such as the motion of a freely falling body?
The following table gives the displacement of a car at different instants of time.
| Time (s) | 0 | 1 | 2 | 3 | 4 |
| Displacement (m) | 0 | 5 | 10 | 15 | 20 |
- Draw the displacement-time sketch and find the average velocity of the car.
- What will be the displacement of the car at (i) 2.5 s and (ii) 4.5 s?
A bird sitting on a wire, flies, circles around and comes back to its perch. Explain the total distance it traversed during its flight and its eventual displacement.
How can you find the following?
Displacement from velocity – time graph.
Show the difference between distance and displacement with the help of a diagram.
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 |
Which of the following is correct?
A scalar quantity has ______.
A quantity that has both magnitude and direction is ______.
