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What happens to the springs of a sofa wh...

What happens to the springs of a sofa when we sit on it ?

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    LAKHMIR SINGH & MANJIT KAUR|Exercise EXERCISE|115 Videos

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LAKHMIR SINGH & MANJIT KAUR-FORCE AND PRESSURE.-EXERCISE
  1. Give one example where force changes the direction of a moving object.

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  2. Why does the shape of an oinment tube change when we sqeeze it ?

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  3. What happens to the springs of a sofa when we sit on it ?

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  4. Name the various types of forces.

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  5. What is muscular force ? Give one example of muscular force.

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  6. Which of the following are non - contact forces ? Magnetic force, Fr...

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  7. Give two example from everyday life which show that air exerts pressur...

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  8. What is rubber sucker ? How does it work ? State any one use of a rubb...

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  9. Why do mountaineers ususally suffer from nose - bleading at high altit...

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  10. Describe one activity to show the existence of atmospheric pressure.

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  11. Explain why, water comes out more slowly from an upstairs tap than fro...

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  12. What is meant by gravitational force ( or force of gravity ) ? Give it...

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  13. Calculate the pressure when a force of 200 N is exerted on an area of ...

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  14. Calculate the pressure when a force of 200 N is exerted on an area of ...

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  15. Which force do the animals apply while moving,chewing and doing other ...

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  16. Which force is responsible for raising our body hair when we try to t...

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  17. Name the type of forces involved in the following : a) A horse pulli...

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  18. Name the type of forces involved in the following : b) A sticker att...

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  19. Name the type of forces involved in the following : A coin falling t...

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  20. Name the type of forces involved in the following : A plastic comb r...

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