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physics help

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A woman is pushing a sofa at constant speed of 1.0 m/s on a horizontal surface. She exerts a horizontal force of 80 N in the direction of motion.
A) how can the sofa move at constant speed without Newton's first law being violated?

B)Approximately how hard would the woman have to push to keep the sofa moving at a constant speed of 2.0 m/s? explain

  • physics help -

    Who says that Newton's law is violated?

    I will be happy to critique your thinking.

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