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G if F is measured in lbs and r in ft

If F=GMm/rsquared, and G=6.67*10(-11power) N*msquared/kg squared; then what is G if F is measured in lbs and r in ft.

Explain this so I can understand the concept too. Thanks!

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If you take 1 lb to be a unit of force, than
1 N = 2.205 lb / 9.8 ~= 0.225 lb

Now the lengths: 1 m = 3.28 ft

It seems from your question that you do ...

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