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Two connected masses on slopes (with friction) (PhysCasts)
In this PhysCast we are asked to consider the motion of two blocks connected by a cord. Block A has a mass mA = 4.0kg, and block B has a mass mB = 2.0kg. The coefficient of kinetic friction between block B and the horizontal plane is [Mu]k = 0.05. The inclined plane is frictionless at an angle of [Theta] = 30 degrees. The pulley serves only to change the direction of the cord connecting the blocks. The cord has negligible mass. Find (a) the tension in the cord and (b) the magnitude of the acceleration of the blocks.
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In this PhysCast we are asked to consider the motion of two blocks connected by a cord. Block A has a mass mA = 4.0kg, and block B has a mass mB = 2.0kg. The coefficient of kinetic friction between block B and the horizontal plane is [Mu]k = 0.05. The inclined plane is frictionless at an angle of [Theta] = 30 degrees. The pulley serves only to change the direction of the cord connecting the blocks. The cord has negligible mass. Find (a) the tension in the cord and (b) the magnitude of the acceleration of the blocks.