1. The acceleration due to gravity g of the bob at the earth's surface is given by the Newton's universal law of gravitation as GM 8 = 72 where G 6.67 x 10-11 N-m2/kg2 (universal gravitational constant), M = 5.98 x 1024 kg (earth mass), r = 6.38 × 106 m (bob - earth center distance). Derive an algebraic expression for the error in gravity 6g due to the uncertainty in r. You may assume that the errors &G and SM are zero.

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1. The acceleration due to gravity g of the bob at the earth's surface is given by the
Newton's universal law of gravitation as
GM
8 = 72
where G 6.67 x 10-11 N-m2/kg2 (universal gravitational constant),
M = 5.98 x 1024 kg (earth mass),
r = 6.38 × 106 m (bob - earth center distance).
Derive an algebraic expression for the error in gravity 6g due to the uncertainty in r.
You may assume that the errors &G and SM are zero.
Transcribed Image Text:1. The acceleration due to gravity g of the bob at the earth's surface is given by the Newton's universal law of gravitation as GM 8 = 72 where G 6.67 x 10-11 N-m2/kg2 (universal gravitational constant), M = 5.98 x 1024 kg (earth mass), r = 6.38 × 106 m (bob - earth center distance). Derive an algebraic expression for the error in gravity 6g due to the uncertainty in r. You may assume that the errors &G and SM are zero.
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