Question 4 (6 marks} A light spring of force constant k = 160 N- 131'1 rests vertically on the bottom of a large beaker of water (gure A). A 5.00 kg block of wood (density = 650 kg*n:l_3) is connected to the spring, and the block-spring system is allowed to come to static Equilibrium (gure B). A B a) Draw a free-body diagram for the wood block in gure B. b) What is the volume of the block of wood? 0) What is the extension AL of the spring? a) Free-body diagram: b) Volume of wood: c) Extension of spring: 3