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When a ball is dropped from a height , i...

When a ball is dropped from a height , its speed increase gradually. Name the force which causes this change in speed.

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LAKHMIR SINGH & MANJIT KAUR-FORCE AND PRESSURE.-EXERCISE
  1. Why do the shape and size of a balloon change when filled with air or ...

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  2. Name the quantity whose unit is 'Newton' (N).

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  3. When a ball is dropped from a height , its speed increase gradually. N...

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  4. What is the unit of force ?

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  5. Give one example where force changes the shape of an object.

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  6. Identify the actions involved in the following situations as push or p...

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  7. Identify the actions involved in the following situations as push or p...

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  8. Identify the actions involved in the following situations as push or p...

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  9. Identify the actions involved in the following situations as push or p...

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  10. Identify the actions involved in the following situations as push or p...

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  11. Identify the actions involved in the following situations as push or p...

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  12. Name two contact forces.

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  13. Name two non - contact forces.

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  14. When a plastic pen is rubbed in dry hair, it attracts tiny pieces of p...

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

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

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  17. Name the force which always opposes motion.

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

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

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

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