A 73 kg man weighs himself at the north pole and theequator. A. Which scale read

Question

A 73 kg man weighs himself at the north pole and theequator.
A. Which scale reading is higher? at the north pole or at the equator Answer: The scale reading is higher at thenorth pole. B. By how much (in Newtons)? So, I have to find "mg" at the north pole andat the equator but I don`t know how. I thought the weight at thenorth pole was 0.3% greater than at the equator but I still can`tget the answer. Help!!! A 73 kg man weighs himself at the north pole and theequator.
A. Which scale reading is higher? at the north pole or at the equator Answer: The scale reading is higher at thenorth pole. B. By how much (in Newtons)? So, I have to find "mg" at the north pole andat the equator but I don`t know how. I thought the weight at thenorth pole was 0.3% greater than at the equator but I still can`tget the answer. Help!!! A. Which scale reading is higher? at the north pole or at the equator Answer: The scale reading is higher at thenorth pole. B. By how much (in Newtons)? So, I have to find "mg" at the north pole andat the equator but I don`t know how. I thought the weight at thenorth pole was 0.3% greater than at the equator but I still can`tget the answer. Help!!!

Explanation / Answer

Gravity at the poles = 9.80665 m/s2 Gravity at the equator = 9.77275 m/s2 (9.80665-9.77275) = 0.0339 m/s2 73 kg * 0.0339 m/s2 = 2.4747 N 2.4747 N is the answer. 73 kg * 0.0339 m/s2 = 2.4747 N 2.4747 N is the answer.

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