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Explain why objects moving in fluids mus...

Explain why objects moving in fluids must have special shapes.

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The object moving in fluids must have a special shape. This type of shape is called streamlined shape. The streamlined shape helps to overcome the friction between objects and fluids. The objects have pointed fronts with little broader middle portion which gets tapered at the back.
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PEARSON IIT JEE FOUNDATION-FRICTION-Classroom Corner (Long Answer Type Questions)
  1. Explain the difference between static friction and sliding friction wi...

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  2. Why does an object of greater mass experience more friction than an ob...

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  3. Look at the pictures given below. Name and define the type of friction...

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  4. Why is static friction greater than sliding friction?

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  5. State any three advantages and disadvantages of friction.

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  6. Describe any three ways in which friction between surfaces can be redu...

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  7. The magnitude of frictional force can never be greater than the magnit...

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  8. Explain how the wheel was a significant historical invention, in terms...

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  9. Compare which of the two drivers, in each case given below, would have...

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  10. Compare which of the two drivers, in each case given below, would have...

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  11. Compare which of the two drivers, in each case given below, would have...

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  12. Case 1: If you take a ball and push it so that it rolls across a smoot...

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  13. Case 1: If you take a ball and push it so that it rolls across a smoot...

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  14. Give examples to show that friction is both a friend and a foe.

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  15. Case 1: If you take a spring balance and a brick. Tie the spring balan...

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  16. Case 1: If you take a spring balance and a brick. Tie the spring balan...

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  17. Explain why objects moving in fluids must have special shapes.

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  18. Why does friction occur? Justify your answer.

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  19. Explain why objects moving in fluids must have special shapes.

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  20. Why do we shape aeroplanes like that of bird?

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