How Do Uniform Spherical Objects Affect Gravitational Force Calculation?

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SUMMARY

The discussion centers on calculating the gravitational force between two uniform spherical objects, specifically parts of a space probe weighing 11,000 N and 3,400 N, separated by a distance of 12 m. The gravitational force is calculated using the formula Fg = Gm1m2/r^2. The weights correspond to masses of 7.2 kg and 0.38 kg, respectively, which were misidentified in the original homework sheet. The correct distances for the radii were also confused, highlighting the importance of accurate labeling in problem-solving.

PREREQUISITES
  • Understanding of Newton's Law of Universal Gravitation
  • Familiarity with gravitational force calculations
  • Basic knowledge of mass and weight conversion
  • Ability to interpret and manipulate algebraic equations
NEXT STEPS
  • Review the derivation of Newton's Law of Universal Gravitation
  • Practice gravitational force calculations with varying masses and distances
  • Explore the concept of uniform spherical objects in gravitational contexts
  • Learn about the significance of accurate data labeling in physics problems
USEFUL FOR

This discussion is beneficial for physics students, educators, and anyone involved in gravitational force calculations or studying the principles of mechanics related to spherical objects.

duki
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Homework Statement


On earth, two parts of a space probe weigh 11 000 N and 3400 N. These parts are separated by a center-to-center distance of 12 m and may be treated as uniform spherical objects. Find the magnitude of the gravitational force that each part exerts on the other out in space, far from any other objects.

Homework Equations



Fg = Gm1m2/r^2

The Attempt at a Solution



I have a homework sheet that the professor gives out to help us. In his answer he has m1 = 7.2kg and m2 = .38kg

How did he get this?
I get 1123.4 and 346.9

Also how did he find that r1 = .11m and 42 = .028m??
 
Last edited:
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nvm, he had the numbers mixed up. his #18 was labeled as 19 and vise versa..

sorry guys, you can delete this post

=D
 

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