Determine the mobility and the number of idle degrees of freedom associated with the mechanism shown below. The mechanism is a side-dumping car that consists of body 2 and truck 3 connected together by two six-bar linkages. ABCDEF and AGHKLMN. Link NM is designed as a latch on its free end (sec left drawing). When jack 1 is operated. body 3 is lifted to the dumping position shown in the right-hand drawing. Simultaneously, the six-bar linkage AGHKLMN opals the latch on link NM and raises link GH. Linkage ABCDEF swings open side BC and the load can be clumped at some distance from the ear (see right-hand drawing). Show the equations used to determine your answers.

3 Ignore this piece 2 70 EO B