The member OA of the industrial robot telescopes and
pivots about the fixed axis at point O. At the instant
shown, _ = 67°, __ = 2.0 rad/s, _¨ = 0.85 rad/s2, OA¯ =
0.99 m, OA¯_ = 0.43 m/s, and OA¯¨ = -7.4 m/s2. Determine
the velocity v and acceleration a
of joint A of the robot. The base of the robot does not
revolve about a vertical axis.
1,41 m 0.99 m 17 10A__
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