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Q6) AB is a link 68 cm long which has a block pivoted to EACH end.

The blocks can slide in grooves as shown in Fig,(Q6)

The point of intersection of the line of centres is at C.

Initially, BC = 34.8 cm and AC = 40.6 cm.

Calculate EACH of the following:

(a) the angles between the line of centres ( i.e angle < BCA); (3)

(b) the inclination of AB to AC; (3)

(c) the distance A moves if block B moves 20 cm towards C from the given position. (9)