Physics
Answer
The reason is that the part of the carpet where the stick strikes, comes in motion at once, while the dust particles settled on it's fur, remain in position due to inertia of rest. Thus, the part of the carpet moves ahead with the stick, leaving behind the dust particles which fall down due to the earth's pull.
Related Questions
Explain the following:
When a corridor train suddenly starts, the sliding doors of some compartments may open.
Explain the following:
After alighting from a moving bus, one has to run for some distance in the direction of bus in order to avoid falling.
Explain the following:
It is advantageous to run before taking a long jump.
The force needed to stop a moving body in a definite time depends on:
- mass of the body
- velocity of the body
- both (a) and (b)
- none of these