The vertical rod has a downward velocity v = 1.9 ft/sec and an upward acceleration a = 3.7 ft/sec² when the device is in the position shown. Determine the corresponding angular acceleration of bar AB (positive if counterclockwise, negative if clockwise) and the magnitude of the acceleration of roller B if R = 16 in. Answers: a = ав i i 1.25R V a +0 A 30° R B ! rad/s² ! ft/sec²
The vertical rod has a downward velocity v = 1.9 ft/sec and an upward acceleration a = 3.7 ft/sec² when the device is in the position shown. Determine the corresponding angular acceleration of bar AB (positive if counterclockwise, negative if clockwise) and the magnitude of the acceleration of roller B if R = 16 in. Answers: a = ав i i 1.25R V a +0 A 30° R B ! rad/s² ! ft/sec²
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Transcribed Image Text:The vertical rod has a downward velocity v = 1.9 ft/sec and an upward acceleration a = 3.7 ft/sec? when the device is in the position
shown. Determine the corresponding angular acceleration of bar AB (positive if counterclockwise, negative if clockwise) and the
magnitude of the acceleration of roller B if R = 16 in.
a
1.25R
R
30°
Answers:
i
! rad/s?
a =
i
ft/sec2
aB =
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