Block is sitting on a table within a train moving at constant speed. consider the observations of a person on the train considering the block and of a person standing at rest on a station platform as the train passes. which one of the following statements is correct? a. the person on the train would say that the block is in equilibrium, but not static equilibrium; and the external observer would say that the block is in static equilibriumb. the person on the train would say that the block is in equilibrium, but the external observer would say that the block is not in equilibriumc. the person on the train would say that the block is in static equilibrium, but the external observer would say that the block is in equilibrium, but not static equilibriumd. both the person on the train and the external observer would agree that the block is not in equilibriume. both the person on the train and the external observer would agree that the block is in equilibrium, but not static equilibrium.