tutorial3_sp10

Label each force by identifying the type of force and

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Unformatted text preview: abel each force by identifying the type of force and the object exerting the force (for example, Ffriction on A). 2 c) Is the magnitude FAB , the force exerted on System B by System A greater than, less than, or equal to the magnitude FBA , the force exerted on System A by System B? Why? d) The forces FAB and FBA are often called action-reaction forces or force pairs. Newton’s Third Law is referring to these force pairs when stating that “every action has an equal and opposite reaction”. Identify all the action-reaction force pairs in the problem and list them in the table below. Every force on your free-body diagrams will be listed on the table, but not all the “reaction” forces will be in the diagrams you drew. List these pairs anyway. One example is done for you. “Action” Force (One of the “Force Pair” forces from FBD) Force of table on system A “Reaction” Force (The corresponding “Force Pair” force) Force of system A on table e) Why are the words “ACTION” and “REACTION” written in quotes in the table above? f) What criteria did you use to identify the force pairs? Is your result in part c) consistent with your identification of force pairs? g) Now, treat all three bricks as one System C. Draw a free-body diagram, and compare the individual forces and...
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This note was uploaded on 08/24/2010 for the course PHYS 2010 taught by Professor Dubson during the Spring '06 term at Colorado.

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