A text book of elementary mechanics, for the use of colleges and schools (1881)
Dana, Edward Salisbury, 1849-1935 · New York, J. Wiley & sons · leaf 45
Hence the relations in direc- 26 KINEMATICS. [35. tion and magnitude of the resultant and componentvelocities may be calculated by the usual methods forthe solution of this plane triangle, where three partsare given and the others required. It is further seen from this case that the relation ofthe… … of the component velocities are at right angles to eachother, the relations are more simple. Here F= +V + also, u cos a = sin ft = —, sin a — cos/? v ~V> tan a = cot J3 = vu 36. The following cases may be taken as illustrations of theParallelogram of Velocities.—Suppose a boat to move…
Mechanics
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