A wood block measures 30 cm by 10 cm, and this block is 5 centimeters thick. The wood block has a weight of 8 Newtons and is floating in water. a. What is the weight of the water displaced by the wood block? (2 points) b. Calculate the height of the water line on the wood block. Show how you start the calculation as well as the calculated answer. (6 points)

Greg drew a diagram to compare two of the fundamental forces. which labels belong in the areas marked x, y and z? gravitational force electromagnetic force x. attractive y repulsive z: infinite range x: infinite range y attractive z. repulsive x. always attractive y: infinite range z: attractive or repulsive x. attractive or repulsive y infinite range z: always attractive