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प्रश्न
The numerical ratio of displacement to distance for a moving object is :
पर्याय
always less than 1
equal to 1 or more than 1
always more than 1
equal to 1 or less than 1
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उत्तर
equal to 1 or less than 1
i.e., Equal to 1 or less than 1.
Displacement is always smaller than or equal to displacement.
संबंधित प्रश्न
A body is moving along a circular path of radius R. What will be the distance travelled and displacement of the body when it completes half a revolution ?
If the displacement of an object is proportional to the square of time, then the object is moving with :
What can you say about the nature of motion of a body if its displacement-time graph is A straight line inclined to the time axis with an acute angle?
A body at rest is made to fall from the top of a tower. Its displacement at different instants is given in the following table:
| Time (in s) | 0.1 | 0.2 | 0.3 | 0.4 | 0.5 | 0.6 |
| Displacement (in m) | 0.05 | 0.20 | 0.45 | 0.80 | 1.25 | 1.80 |
Draw a displacement-time graph and state whether the motion is uniform or non-uniform?
A body starts from rest with uniform acceleration 2 m s-2. Find the distance covered by the body in 2 s.
A car travels a distance 100 m with constant acceleration and average velocity of 20 ms-1. The final velocity acquired by the car is 25 ms-1.
Find
(i) The initial velocity.
(ii) Acceleration of the car.
Write the SI units for measurement of distance and displacement.
Give the name of the physical quantity that corresponds to the rate of change of 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 |
The rate of change of displacement ______.
