Tension of string between two blocks

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SUMMARY

The discussion centers on calculating the tension in a string connecting two blocks, A (3.4 kg) and B (6.0 kg), under the influence of external forces (12 N on A and 24 N on B). The correct approach involves applying Newton's second law (F=ma) to both blocks to derive the acceleration and subsequently the tension in the string. The tension can be expressed as T = mass1 * acceleration, where mass1 refers to the mass of block A.

PREREQUISITES
  • Understanding of Newton's second law (F=ma)
  • Basic knowledge of forces and tension in connected systems
  • Ability to perform vector addition and subtraction of forces
  • Familiarity with free-body diagrams for analyzing forces
NEXT STEPS
  • Calculate the acceleration of both blocks using F=ma
  • Derive the tension in the string using T = mass1 * acceleration
  • Explore free-body diagram techniques for visualizing forces
  • Review examples of similar problems involving connected objects and tension
USEFUL FOR

Students studying physics, particularly those focusing on mechanics and dynamics, as well as educators seeking to clarify concepts related to tension in connected systems.

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Homework Statement


a 3.4 kg block A and 6.0 kg block Bvec are connected by a string of negligable mass. Force FA = (12 N) acts on block A; force FB = (24 N) acts on block B. What is the tension in the string?

http://img25.imageshack.us/img25/2610/imagepn.jpg

Homework Equations



F=ma

The Attempt at a Solution



I've tried adding the forces given because they're in the same direction. I've tried subtracting the forces, but that's obviously not how to go about doing this problem.

I've solved the acceleration for each block, but I honestly don't know what to do for this problem. Could someone give a hint or two at what to do? Thanks.
 
Last edited by a moderator:
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Do your some of forces for the x and y direction for both boxes.

Force of tension=mass1*a
 

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