Consider a 220-g wooden block placed on an 81.0-cm board. Then wooden block then starts to move at a constant speed. A 0.335 N force is needed to make the wooden block continue moving at a constant speed. What is the coefficient of kinetic friction?
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Consider a 220-g wooden block placed on an 81.0-cm board. Then wooden block then starts to move at a constant speed. A 0.335 N force is needed to make the wooden block continue moving at a constant speed. What is the coefficient of kinetic friction?
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- A constant force Fa pushes a 22.5-kg box across a rough horizontal surface. The magnitude of Fa is 185 N and the force is inclined at an angle of θ = 30.0° below the horizontal. The coefficient of kinetic friction between the box and the surface is μk = 0.500. What is the magnitude of the box's acceleration?A force of 109 N is used to accelerate a block of ice with a weight of 614 N along a horizontal surface where it encounters a kinetic friction force of 38 N. What is the horizontal acceleration of the block of ice?A 40 N box is resting on a table when a 20 N force is applied to it horizontally. The coefficients of static and kinetic friction are 0.3 and 0.1, respectively. Which of the following best describes the resulting motion of the box? The motion of the box cannot be determined with the given information. The box accelerates in the direction of the applied force. The box remains at rest. The box moves with a constant velocity in the direction of the applied force.
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