Lynde, Carleton John, b. 1872 · New York, Macmillan · leaf 305
ofUniversal Gravitation. Center of gravity. — The earth exerts an attractive forceupon every particle of a body and the sum of all these smallattractive forces is the weight of the body. // is possible tofind one point such that if a force equal to the weight of the bodyis exerted upwards at that… … 2QO PHYSICS OF THE HOUSEHOLD it returns to its original position when slightly displaced (A,Fig. 214). A body is said to be in unstable equilibrium if, after beingslightly displaced, it tends to move farther from its originalposition (B, Fig. 214). A body is said to be in neutral equilibrium if,…
Physics · Home Economics
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