Gage, Alfred P. (Alfred Payson), 1836-1903 · Boston, London, Ginn · leaf 75
of hay or a loadof stone of equal weight ? 11. Draw a triangle and find itscenter of mass. 12. What attitude does a manassume when carrying a heavy loadon his back ? Why ? 1.3. Explain tbe difference in thebehavior of a ball and of a cube,when placed on a plane slightly in-clined. 14. What position… … Fig. 38. Section VI. COMPOSITION OF FORCES ACTING AT ANGLES WITH ONEANOTHEK. 56. When the handle A (Mg. 6) is pushed forward, thereis applied to the pencil a force which may be represented inmagnitude and direction by the line ab; at the same timethe pencil is pulled vertically up by a force which…
Physics
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