Calculate Tension in rope pulled up a hill

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SUMMARY

The discussion focuses on calculating the tension in a rope used to pull a 5 kg mass up a 30-degree slope with a coefficient of kinetic friction of 0.26. The correct tension is determined to be 68 N along the ramp. The formula used to derive this value is T = (ma) + F(pulling back down slope) + F(friction), where the calculated tension is rounded to 68 N. Participants emphasized the importance of analyzing the forces acting on the mass to arrive at the correct answer.

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Homework Statement


Determine the tension in the rope during the acceleration of a 5 kg mass along a 30 degree slope.
coeffecient of kinetic friction is 0.26

The correct answer is (68 N along the ramp), but I can't seem to get that answer.
 
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Where's the rope? Can you describe the situation more clearly, or attach a diagram?
 
cristo said:
Where's the rope? Can you describe the situation more clearly, or attach a diagram?

25hpdmd.jpg
 
Last edited:
Any thoughts?
 
You should maybe start by looking at the forces on each of the masses.
 
I think I've figured it out.

T = (ma) + F(pulling back down slope) + F(friction)
T = 67.5344 N rounded to 68 N
 

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