Answer nate drops a penny into a fountain at the mall. it falls from his hand straight down into the fountain. describe what the free body diagram would look like as the penny falls. pick all that are true. a) the arrow pointing down would be longer than the arrow pointing up. b) the arrow pointing up would be longer than the arrow pointing down. c) the arrow pointing left would be the same size as the one pointing to the right. d) the arrow pointing left would be longer than the arrow pointing right. hurry !

The only force acting on the penny when it is dropped is due to the mass of that penny. Weight is the only force acting on penny. In free body diagram of penny, you will show only those forces which acts on it. You will not include unnecessary forces such as intermolecular forces between the atoms which constitutes any object or in this case penny because we are not concerned about it. The penny falls down because an unbalanced force is acting on it which is due to gravitational attraction by Earth, since the penny is falling vertically downward and not in any other direction, the net force acting on it should point in downward direction. 

The correct answer is b

Temperature and pressure