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Which forces can be used to gather iron ...

Which forces can be used to gather iron pins scattered on the floor ?

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LAKHMIR SINGH & MANJIT KAUR-FORCE AND PRESSURE.-EXERCISE
  1. When a plastic pen is rubbed in dry hair, it attracts tiny pieces of p...

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  2. A small device pulls iron nails from a distance. Which type of force i...

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  3. Which forces can be used to gather iron pins scattered on the floor ?

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  4. Name the force which always opposes motion.

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  5. Which forces makes a rolling ball stop on its own ?

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  6. An inflated balloon was pressed against a wall after it has been rubbe...

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  7. What name is given to the force acting on a unit area of an object ?

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  8. Name the quantity whose one of the units is pascal (Pa) ?

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  9. What conclusion do you get from the observation that a fountain of wat...

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  10. What type of pressure is involved in the filling of a liquid in a syri...

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  11. What substance present in our body balances the atmospheric pressure a...

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  12. Where will the atmospheric pressure be greater - at ground level or at...

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  13. Name any two devices used in everyday life which work on the existance...

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  14. If a vacuum is created between two Magdeburg hemispheres joined togeth...

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  15. Why does a balloon inflate when air is blown into it ?

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  16. Name the substance whose weight produces atmospheric pressure.

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  17. Where is the pressure greater , 10 m below the surface of the sea or 2...

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  18. What force acting on an area of 0.5 m^2 will produce a pressure of 500...

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  19. Can a liquid exert pressure sideways ?

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  20. State whether the following statement is true or false: Milk i...

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