Please explain about local attraction in surveying?
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Please explain about local attraction in surveying?
North end of a freely suspended needle always points to magnetic north, if it is not influenced by any other external forces except the earth’s magnetic field. In everyday experience magnetic needle gets deflected from its normal position, if placed near magnetic rocks, iron ore, iron pipe and ironRead more
North end of a freely suspended needle always points to magnetic north, if it is not influenced by any other external forces except the earth’s magnetic field. In everyday experience magnetic needle gets deflected from its normal position, if placed near magnetic rocks, iron ore, iron pipe and iron poles etc. Such a disturbing force is known as Local Attraction.
See lessLocal attraction in surveying is an effect that occurs when a survey instrument experiences gravity variations due to localized effects such as hills, valleys, and other geographical features. These variations cause the instrument to pull toward or away from the locality, affecting the accuracy of mRead more
Local attraction in surveying is an effect that occurs when a survey instrument experiences gravity variations due to localized effects such as hills, valleys, and other geographical features. These variations cause the instrument to pull toward or away from the locality, affecting the accuracy of measurements taken. It is important to account for local attraction in surveying to obtain accurate results.
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