xni, alittle phosphorus, and some one or two metals, wouldfall to the ground, and thxis we should come to anend. GRAVITY ACTS.] PHYSICS. 21 HOW GRAVITY ACTS. 8. Centre of Gravity. Experiment S.—Lot usnow endeavour to find out what sort of a forcegravity is, and for this purpose let us take… … Fis forms a vertical prolongation of it. Next let us hangthe sheet freely from some other point; here againyou have another line in prolongation of the thread,and you further see that these two lines cut eachother in a point marked G. Now let us hang up the sheet l)y some third point 22 SCIENCE…
Physics
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