Find the friction force impeding the motion
An 19.0-kg box is released on a 38.0^ incline and accelerates down the incline at 0.280m/s^2 Find the friction force impeding its motion. How large is the coefficient of kinetic friction?
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A force of 63.1 N is required to start a 7.0-kg box moving across a horizontal concrete floor. What is the coefficient of static friction between the box and the floor? If the 63.1N force continues, the box accelerates at 0.74m/s^2 . What is the c
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