Question: Question 3 The uniform bar AB has a mass m = 15 kg, and a length L = 2.6 meters. It is released from

Question 3 The uniform bar AB has a mass m = 15

Question 3 The uniform bar AB has a mass m = 15 kg, and a length L = 2.6 meters. It is released from rest on a frictionless surface in the position shown. The frictionless surface is angled at 30 degrees with respect to the horizontal, as shown. a) Draw a free-body diagram of AB, at the instant after it is released. (2 marks) b) B g = 9.81 m/s Find the initial acceleration of point A when the bar is first released. Express your answer in the coordinate system shown in the diagram. (8 marks) 30 30 B A A g = 9.81 m/s

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