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While pushing a heavy box from one place...

While pushing a heavy box from one place to another in his house, Naresh noticed that it was difficult to take a stationary box from its resting position to moving position but it was easy to move that box with that speed. Why was it so?

A

Sliding friction is less than static friction

B

Static friction is less than sliding friction

C

The weight of the box decreases

D

None of the above

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MBD -HARYANA BOARD-FRICTION-EXAMPLE
  1. Friction is both a friend and a foe. Why do you think so? Give example...

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  2. Objects moving in fluids must have special shapes. Name this shape.

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  3. While pushing a heavy box from one place to another in his house, Nare...

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  4. The moving ball on the floor stops after some time because of………

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  5. It is difficult to walk on wet floor because:

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  6. You move a stone of glass on the cemented floor, marble floor, water, ...

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  7. Static friction works when:

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  8. Rolling friction is:

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  9. Four children were asked to arrange forces due to rolling, static and ...

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  10. Alida runs her car on the dry matble floor, wet marble floor, newspape...

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  11. In which direction the force of friction acts? What if object does not...

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  12. Why is it difficult to move a bike with its brakes on ?

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  13. Why a roling ball stops after some time? What happens to its cause whe...

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  14. What is friction? In which direction does it apply?

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  15. Wheels are made circular. Why ?

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  16. Friction is a self adjusting force.

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  17. Which is more smooth: wet muddy or cemented floor?

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  18. What is the spring balance ?

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  19. A horse pulling a cart has to apply a greater force to start the cart ...

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  20. Give some examples of force of friction.

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