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    				| 1. | 
                                    Block B has a mass m and is released from rest when it is on top of wedge A, which has a mass 3m. Determine thetension in cord CD needed to hold the wedge from moving while B is sliding down A. Neglect frictionD C(A) msin 20rng(B) sin 62(C) mgsin θ4mg(D) sin θSIIn | 
                            
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