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Give reasons : If a stationary bus sud...

Give reasons :
If a stationary bus suddenly speeds up passengers are thrown in the backward direction .

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Answer the following question : Why does it happen ? If a stationary bus suddenly speeds up, passengers are thrown in the backward direction.

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Answer the following questions: If brakes are suddenly applied to a moving car, the passengers in the car are pushed in the forward direction. Explain why.

State whether the following statements are true or false: If a bus in motion is suddenly stopped, the passengersfall backwards.

Give Scientific reasons: A moving ball hits a stationary ball and displaces it

Assertion: The rainbow is seen sometimes in the sky when it is raining. When one sees a rainbow, one's back is towards the sun. Reason: Interanl reflection from water droplet causes dispersion. The final ray is in the backward direction.

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TARGET PUBLICATION-FORCE AND PRESSURE -EXERCISE
  1. Answer the following : State a point of difference between density a...

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  2. Give reasons : It is advised to tie any luggage kept on the roof of ...

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  3. Give reasons : If a stationary bus suddenly speeds up passengers are...

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  4. Give reasons : A carpet is lifted up to remove dust from it .

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  5. Give reasons : A person jumping out of a moving bus falls with his h...

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  6. Give reasons : Fruits can easily be cut with a sharp knife .

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  7. Give reasons : It is easy to cut vegetables , fruits with a sharp kn...

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  8. Why do the load carrying heavy vehicles have large number of wheels ?

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  9. Give reasons : A camel's feet do not penetrate into the sand .

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  10. Give reasons : We cannot stand at one place for a long time . How ca...

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  11. Give reasons : For skiing on ice , why are long flat ski used ?

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  12. Give reasons : The wall of a dam is broad at its base .

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  13. Give reasons : Some people feet their ears popping at the top of a m...

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  14. Why some people feel breathless as they climb higher and higher on a m...

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  15. Give reasons : While pulling a bucket from a well , the bucket full ...

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  16. Give reasons : A ship dips to a larger depth in fresh water as compa...

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  17. Give reasons : A piece of wood sinks more in kerosene than in water ...

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  18. Distinguish between : Balanced and unbalanced force .

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  19. Distinguish between : Inertia of motion and inertia of rest .

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  20. Distinguish between : Inertia of motion and directional inertia .

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