Calculating centripetal acceleration between moon and satelite

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SUMMARY

The discussion focuses on calculating centripetal acceleration between the moon and a satellite using gravitational force equations. The equation F = GMm/r² represents gravitational force, not centripetal acceleration directly. To find acceleration, one must equate this force to ma and solve for a. The relationship between acceleration and radius (r) is crucial for solving the problem accurately.

PREREQUISITES
  • Understanding of Newton's Law of Universal Gravitation
  • Familiarity with centripetal force concepts
  • Basic algebra for solving equations
  • Knowledge of the variables involved: G (gravitational constant), M (mass of the moon), m (mass of the satellite), and r (distance between them)
NEXT STEPS
  • Study the derivation of centripetal acceleration formulas
  • Learn about the gravitational constant (G) and its applications
  • Explore the relationship between force, mass, and acceleration in circular motion
  • Investigate how variations in radius (r) affect centripetal acceleration
USEFUL FOR

Students in physics, educators teaching gravitational concepts, and anyone interested in understanding the dynamics of celestial bodies and their motion.

okgo
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Homework Statement


http://www.screencast.com/users/trinhn812/folders/Jing/media/e79a7b88-f71e-4790-a35c-7bc0c3e03ec8
Answer key is marked

Homework Equations



F=gMm/r^2 =ma=mv^2/R

The Attempt at a Solution


So does gMm/r^2 also measure centripetal acceleration?
 
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okgo said:

The Attempt at a Solution


So does gMm/r^2 also measure centripetal acceleration?

Not quite, but you are on the right track. [tex]GMm/r^2[/tex] is a measure of force. Technically to find the acceleration, set it equal to ma and, solve for a. Then, to solve your original problem, note how a varies with r.
 

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