Measuring the Gravitational Constant

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SUMMARY

The discussion centers on a student's proposal to measure the gravitational constant G using two 100.0 kg spherical objects suspended from cables in a cathedral. The cables, each 45.00 m long, are attached to the ceiling 1.000 m apart. The student seeks clarification on whether to draw two separate cables for each object or a single cable with both objects attached. The correct interpretation involves two separate cables, each supporting one object, leading to a specific free-body diagram for accurate calculations.

PREREQUISITES
  • Understanding of gravitational force and the gravitational constant G
  • Knowledge of free-body diagrams in physics
  • Familiarity with basic trigonometry for calculating angles and distances
  • Experience with physics experiments involving pendulums or suspended masses
NEXT STEPS
  • Study how to construct free-body diagrams for multiple forces
  • Learn about the principles of pendulum motion and gravitational measurements
  • Research methods for calculating gravitational force using experimental data
  • Explore the significance of the gravitational constant G in physics
USEFUL FOR

Physics students, educators, and anyone interested in experimental methods for measuring fundamental constants in physics.

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A student proposes to measure the gravitational constant G by suspending two spherical objects from the ceiling of a tall cathedral and measuring the deflection of the cables from the vertical. Draw a free-body diagram of one of the objects. If two 100.0 kg objects are suspended at the lower ends of cables 45.00 m long and the cables are attached to the ceiling 1.000m apart, what is the separation of the objects?

My biggest problem here is I'm not sure how to draw a diagram of this. I think once I find out how to draw what's described it will be easier to solve. Is this describing two separate cables with two separate objects or one cable with two objects attached at the end. Any help in describing the figure I should draw will be great thanks.
 
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Two cables attached at the ceiling exactly one meter apart.
 

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