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Introductory Physics Homework Help
Tension in ropes between accelerating bodies
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[QUOTE="arildno, post: 4528231, member: 8040"] Note what Simon Bridge tells you: The ropes have mass. What does that entail? You should clarify for yourself WHY, for the massless (m=0) rope, we have that the tension is constant throughout the rope! IF the forces acting on a massless rope segment at each end (i.e, the tensions) had been imbalanced, so that the net force F on the rope segment had been non-zero, then Newton's second law for the rope segment would read a=F/0=infinity! Therefore, if the massless rope segment is to have a finite acceleration, the tensions at each end of it must be equal, so that F=0 ----------------------------------------- For a rope with mass, the tensions at each end must typically be different, in order to generate acceleration in the rope segment [/QUOTE]
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Introductory Physics Homework Help
Tension in ropes between accelerating bodies
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