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Ac3

  • one year ago

In the figure below, the coefficient of kinetic friction between the block and inclined plane is 0.26 and angle θ is 58°. What is the block's acceleration (magnitude and direction) assuming the following conditions? (a) It is sliding down the slope. (Up or Down the slope?) (b) It has been given an upward shove and is still sliding up the slope. (Up or down the slope)

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  1. Ac3
    • one year ago
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  2. Ac3
    • one year ago
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    @IrishBoy123

  3. Ac3
    • one year ago
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    I got part A

  4. zephyr141
    • one year ago
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    is a "shove" a continuous and increasing force? or is it a momentary applied force?

  5. Ac3
    • one year ago
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    i'm gonna assume momentary applied force

  6. zephyr141
    • one year ago
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    for things to accelerate it needs to have an increasing velocity in the direction it's travelling. now the box is sitting on an incline and the only force in the vertical are gravity down and the force of the shove in the upwards directions. now a shove is just momentary contact and will only be able to deliver the box a certain distance until the force of friction and gravity bleeds it of it's energy. so the acceleration is still downwards.

  7. Ac3
    • one year ago
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    i got it i don't know why i'm right though

  8. Ac3
    • one year ago
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    nvm i figured out why i'm right

  9. Ac3
    • one year ago
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    thanks

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