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Experiment II Vectors The Force Table apparatus that you will use is illustrated at right. It is a large metal disk ruled in degrees like a protractor. Three masses that hang from strings that go over pulleys (not shown) exert forces on the ring in the center of the force table. If the forces from the three strings balance (add vectorially to zero) the ring will remain at rest. Be certain that all the strings point toward the center post of the table so the forces on the ring are radially outward. If they point near but not exactly at the center, it will lead to significant error in your measurements). You may have to adjust the attachment positions of the strings on the ring. Put 75 g at 0° and 100 g at 90° (these include the mass of the hangers). Calculate the mass and angle that will balance them, however dont put a third mass there yet.

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