Extracted text: 2:37 20.0 KB/S docs.google.com/forms 55 Write down your year and section. * Your answer Problem 1: The rigid bar AB is attached to two vertical rods as shown. If P=50KN, determine the vertical movement of points A and B. Your answer Figure for Problem 1 ALUMINUM L=4M A=50OMM? E=1OGPA STEEL L=3M A=30OMM? E=20OGPA A 2M 3M B -.