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State true/false Friction produces soun...

State true/false
Friction produces sound.

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MBD -HARYANA BOARD-FRICTION-EXAMPLE
  1. Fill in the following blanks with suitable words : Friction always o...

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  2. Friction depends on the of surfaces.

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  3. State true/false Friction produces sound.

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  4. State true or false Sprinkling of powder on the carrom board increas...

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  5. State true or false Sliding friction is less than the static frictio...

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

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  7. Alida runs her toy car on dry marble floor, wet marble floor, newspape...

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  8. Suppose your writing desk is tilted a little. A book kept on it starts...

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  9. You spill a bucket of soapy water on a marble floor accidentally. Woul...

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  10. Explain why sportsmen use shoes with spikes.

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  11. Iqbal has to push a lighter box and Seema has to push a similar heavie...

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  12. Explain why kinetic friction is less than static friction.

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  13. Friction is both a friend and a foe. Why do you think so? Give example...

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

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

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

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

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

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  19. Static friction works when:

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  20. Rolling friction is:

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