Which observation enabled ancient people to make the first compass? a. A certain type of rock would always point north b. A certain type of rock attracted other pieces of metal to it c. A "force" field in the space around a magnet could be observed d. None of the above Rising 8th Grade

Which observation enabled ancient people to make the first compass? a. A certain type of rock would always point north b. A certain type of rock attracted other pieces of metal to it c. A "force" field in the space around a magnet could be observed d. None of the above Rising 8th Grade

College Physics

11th Edition

ISBN:9781305952300

Author:Raymond A. Serway, Chris Vuille

Publisher:Raymond A. Serway, Chris Vuille

Chapter1: Units, Trigonometry. And Vectors

Section: Chapter Questions

Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...

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Concept explainers

Bar Magnet

In physics, magnetism is a phenomenon exhibited by a magnetic substance that exerts either attractive or repulsive force. A bar magnet is either a rectangular or round and hollow fit comprised of ferromagnetic materials and has a fanciful attractive field surrounded by it.

Question

Which observation enabled ancient people to make the first compass?
a. A certain type of rock would always point north
b. A certain type of rock attracted other pieces of metal to it
c. A "force" field in the space around a magnet could be observed
d. None of the above
Rising 8th Grade

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