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woleraymond

  • 4 years ago

A 40 N force applied at an angle of 37 degrees above the horizontal pulls a 5-kg box on a horizontal floor. The acceleration of the box is 3m/s^2. How large a fritional force must be retarding the motion of the box?

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  1. Vincent-Lyon.Fr
    • 4 years ago
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    1. From the acceleration, work out the net horizontal force. 2. What is the value of the horizontal component of your 40-newton force ? 3. Work out the frictional force

  2. woleraymond
    • 4 years ago
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    DO you mean 40 - 3x 15

  3. Vincent-Lyon.Fr
    • 4 years ago
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    No, I don't. Use the 3 questions I provided in the right order. You can answer question 1, then draw a diagram and answer question 2. Will be here to help a few minutes more.

  4. woleraymond
    • 4 years ago
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    u mean 40cos 37 - 3x5

  5. Vincent-Lyon.Fr
    • 4 years ago
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    Yep ! ^_^

  6. woleraymond
    • 4 years ago
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    tanks

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