Suppose four unequal forces act upon an object at a point, so that the object is motionless. If the magnitudes of three of the forces are doubled, how must the fourth force be changed if the object is again motionless? Use words and one or more diagrams to explain your answer. 2. In the second step of the procedure above, you are told to include the weight hangers in your calculation involving the forces the strings exert on the ring. However, suppose your lab partner argues that since all hangers had the same mass, their effects cancel out, and therefore you can ignore their mass. Explain why your lab partner is wrong. 3. When the central ring remains at rest, the total vector force on the ring is zero. Since the central ring has mass, there is a force of gravity acting downward on the ring. Why wasn't this force included anywhere in your work