Advertisements
Advertisements
Question
State whether true or false. If false, correct the statement.
Distance covered by a particle never becomes zero but displacement becomes zero.
Options
True
False
Advertisements
Solution
Distance covered by a particle never becomes zero but displacement becomes zero- True
APPEARS IN
RELATED QUESTIONS
Under what conditions can a body travel a certain distance and yet its resultant displacement be zero ?
What is the difference between distance travelled by a body and its displacement ? Explain with the
help of a diagram.
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.
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
A satellite makes a complete round along its circular orbit. What is its displacement?
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 |
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?
Distance is a ______ quantity.
Using the following data, draw time - displacement graph for a moving object:
| Time (s) | 0 | 2 | 4 | 6 | 8 | 10 | 12 | 14 | 16 |
| Displacement (m) | 0 | 2 | 4 | 4 | 4 | 6 | 4 | 2 | 0 |
Use this graph to find average velocity for the first 4 s, for the next 4 s and for the last 6 s.
Choose the correct option.
