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The particular situation is below:
"For the system shown in the attached image, find the force required to prevent the mass m2 from descending. Use the values of m1 = 5.25 kg, m2 = 6.50 kg and m3 = 2.500 kg. Assume that all surface are frictionless and that the ropes do not stretch. (Also, in the figure, assume that mass m2 is flush against m1.) "My first approach is to solve it via centripetal force by assuming that the rope will spin the system in a circle. This will result in a frictional force acting on m2 from m1 upwards against gravity. But how is that possible if all surfaces are frictionless as the question states?
Thank you for your help!
"For the system shown in the attached image, find the force required to prevent the mass m2 from descending. Use the values of m1 = 5.25 kg, m2 = 6.50 kg and m3 = 2.500 kg. Assume that all surface are frictionless and that the ropes do not stretch. (Also, in the figure, assume that mass m2 is flush against m1.) "My first approach is to solve it via centripetal force by assuming that the rope will spin the system in a circle. This will result in a frictional force acting on m2 from m1 upwards against gravity. But how is that possible if all surfaces are frictionless as the question states?
Thank you for your help!