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Write down three ways of minimising fric...

Write down three ways of minimising friction.

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SURA PUBLICATION-Force and Pressure-Example
  1. Which has greater viscosity,oil or honey? Why?

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  2. Define friction.Give two exemples of the utility of friction In day to...

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  3. Write down three ways of minimising friction.

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  4. Why is a ball bearing used in a cycle hub?

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  5. Write down three applications of Pascal's law.

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  6. "Friction is a necessary evil"-explain.

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  7. Give the different types of friction and explain each with an example.

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  8. Describe an experiment to prove that friction depends on the nature of...

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  9. Explain how friction can be minimised.

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  10. Describe an experiment to prove that pressure in a liquid increases wi...

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  11. Why is it not advisable to take a fountain pen while travelling in an ...

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  12. Is there any possibillity of marking a special device to measure the m...

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  13. Vidhya posts a question:Mercury is costly.So, instead of mercry can we...

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  14. A push or pull on an abject is called force.

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  15. Pressure can be increased by decreasing the force.

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  16. All flowing substance such as liquids or gases are called fluids.

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  17. The pressure exerted by air is called atmospheric pressure.

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  18. Pressure is directly proportional to the area of contact.

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  19. The pressure in a liquid is the same at all depths.

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  20. Liquid pressure ::: Atmospheric Pressure:.

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