Gage, Alfred P. (Alfred Payson), 1836-1903 · Boston, London, Ginn · leaf 80
n were. What number added to 30 will produce 60 ?only one answer could be given. RESOLUTION OP FOKCES. 63 It is often necessary to resolve a force in order to ascertain theeffective force in a certain direction. Thus when boat sails areexposed obliquely to the vyind, the pressure effectual in… … Fig. 45. (normal to the sail) and 1 (a useless component called a tail wind).The boat does not move in the direction of the pressure on its sail,because it is more easily moved lengthwise than breadthwise. Hencethe normal pressure must be resolved into two components, One 4along the direction of…
Physics
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