Calculate the Degree of Freedom (DOF) of the following mechanism.

Hi I was wondering I could get help with parts c and e

8.) The linkage below: link I is ground, AB is link 2 BC is link 3, slider is link 4. IC 34 is @ what point? E B •IF A

Sketch the kinematic diagram and calculate the mobility of all the linkages (Degrees of Freedom). Are there any assumptions if any.

The figure shows a closed-loop mechanism in which link AB of length 1m rotates about a fixed point at A. A second link BC, of length 3m, is pivoted to AB at B; the other end C is constrained to move in a fixed slot which in angled at 45 degrees to the horizontal. At the instance shown, AB is at 60 degrees to the horizontal, and rotating anticlockwise at 5 rad/s. At this instance, in what direction is the link BC rotating? You may wish to sketch a rough velocity vector diagram for this closed loop mechanism to assist you. WAB = 5 rad/s O O O O O Don't Know Anticlockwise B Rotating out-of-plane No rotation Clockwise 60⁰ BL 45⁰

Parts A and B