A text-book of physics, largely experimental. On the Harvard college "Descriptive list of elementary physical experiments." (1891)
Hall, Edwin Herbert, 1855-1938, Bergen, Joseph Y. (Joseph Young), 1851-1917 · New York, H. Holt and Company · leaf 89
ry simpleforms of the lever to find out what relations hold betweenthe forces exerted at different points. 66 PHYSICS. EXERCISE ii (8 in old list).THE STRAIGHT LEVER: FIRST CLASS. Apparatus: The lever and supporting bar (No 17) fastened to thelong horizontal bar that reaches above the table from… … FIG. 33. Hang the other pan, with an equal load, on the left-hand end ofthe lever, at such a distance from the middle that the lever will bal-ance, that is, stay horizontal when once placed oO, even when theapparatus is jarred somewhat by tapping the short bar to which thelever is attached. Then…
Physics
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