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 48
given, then their magnitude isfound by completing the parallelogram whose diagonalis the given resultant velocity and whose sides have thegiven directions. Let (Fig 15) misrepresent the resultant velocity, andlet ^lXand AY be the directions of the required com-ponents; draw through C the lines CD,… … jO. M JL Fig. 15. Fig. 16. If the directions AX and AY are at right angles(Fig. 16), and a represents the angle CAB, then thecomponents are AB = A0 cos a and AD = AC sin a. For example, suppose a boat to move uniformly in thedirection AC (Fig. 17) in yirtue of its own motion ^3 Fig. 17. directly…
Mechanics
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