Question

Why do passengers tend to fall sideways when the bus takes a sharp u turn? (2 marks)
2. Why should a passenger hold on to prevent himself from swaying in a turning bus? (2 marks)
3. Why do passengers tend to fall back when it starts suddenly? (2 marks)
4. Why do passengers jumping out of a rapidly moving bus fall forward with his face downwards, if he does not run forward? (2 marks)
5. Why does a passenger jumping out of a rapidly moving bus fall forward with his face downwards? (2 marks)
6. Why can dust be removed by shaking it, or beating it by a carpet? (2 marks)
7. Why does a bullet when fired against a glass window pane make a hole in it, and the glass pane will smash it? (2 marks)
8. Why does an athlete take a longer jump if he comes running from a distance than when he jumps suddenly from the take-off line? (2 marks)
9. What happens when you shake a wet piece of cloth? Explain, why? (2 marks)
10. Why is it advised to tie a rope on the luggage while you travel by the bus? (2 marks)
11. How does a boat move forward into the water when the boatman presses one end of the pole against the ground? (2 marks)
12. Why is it difficult for a fireman to hose, which ejects large amount of water at a high velocity? (3 marks)

Answer 1

Answer:

1) due to sudden change in direction

Answer 2

Due to inertia.

Inertia is that property of a body due to which it resists change in state of rest or or uniform motion unless compelled by an external force.

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