At the instant shown, cable AB has a velocity of 5 m/s and acceleration of 2.5 m/s2 , while the gear rack C has a velocity of 1.4 m/s and acceleration of 0.70 m/s2 . (Figure 1)

Figure 1 of 1

Required:

Determine the angular acceleration of the gear at this instant.

ac VC 0.3 m, w -0.2 m ag VB B