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A force F is required to push a crate along a rough horizontal floor at a constant speed V with friction present.

What force is needed to push this crate along the same floor at a constant speed 3V if friction is the same as before?

A. A constant force 3F is needed.
B. A force that gradually increases from F to 3F is needed.
C. A constant force F is needed.
D. No force is needed, since the crate has no acceleration.

  1. 👍
  2. 👎
  3. 👁
  4. ℹ️
  5. 🚩

5 answers

  1. good

    1. 👍
    2. 👎
    3. ℹ️
    4. 🚩
  2. Letter B

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    2. 👎
    3. ℹ️
    4. 🚩
  3. GOOD

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    2. 👎
    3. ℹ️
    4. 🚩
  4. None

    1. 👍
    2. 👎
    3. ℹ️
    4. 🚩
  5. Thank you

    1. 👍
    2. 👎
    3. ℹ️
    4. 🚩

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