Laboratory exercises in physics for secondary schools (1902)
Twiss, George Ransom, b. 1863 · New York, London, The Macmillan company · leaf 57
PHYSICS to that of Exercise 5. The bar is suspended by awire, as shown, so that it hangs horizontally about a centimeter above the table.Operations. — (a) Arrangethe balances so as to exertparallel forces as indicatedin the diagram. At leastfour cases are to be made,by varying the relative… … Fig. 8.— Showing how theforces are applied to the sus-pended bar. different nails on the hooks along the ends of the tables. The forces may be varied in amount by drawingthe cords forward or backward at the clamps andsecuring them by the thumb nuts when the desiredtension is attained. (b) Choose…
Physics
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