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Unformatted text preview: Engineering Mechanics - Dynamics Chapter 16 Solution: ωD = rA
rD ωA vP = ωD rP vP = 12.00 2 aP = ωD rP m aP = 720.00 s
2 s ⎛ ωA t rA ⎞
⎝ rD ⎠ sP = rP⎜ sP = 36.00 m Problem 16-27
The operation of “reverse” for a three-speed automotive transmission is illustrated schematically
in the figure. If the crank shaft G is turning with angular speed ωG , determine the angular speed
of the drive shaft H. Each of the gears rotates about a fixed axis. Note that gears A and B, C and
D, and E and F are in mesh. The radii of each of these gears are listed.
Given: ωG = 60 rad s
rA = 90 mm
rB = 30 mm
rC = 30 mm
rD = 50 mm
rE = 70 mm
rF = 60 mm
Solution: ωB = ωD = ωH = rA
rB ωG ωB = 180.00 rad ωB ωD = 108.00 rad ωD ωH = 126.00 rad rC
rF s s s 413 ...
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- Spring '08