hiji9135 hiji9135
  • 13-12-2022
  • Physics
contestada

a force of 40 n is required to start a 5 kg box moving across a horizontal concrete floor. a.) what is the coefficient of static friction between the box and the floor? b.) if the 40 n force continues, the box accelerates at 0.7 m/s2. what is the coefficient of kinetic friction?

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