To use a double-pan balance, you put the object to be weighed on one side and then put
Chapter 2, Problem 9(choose chapter or problem)
To use a double-pan balance, you put the object to be weighed on one side and then put known weights on the other side until the pans balance. a. Explain why it is useful to have the balance point halfway between the two pans. b. Suppose the balance point is off-center, 15 cm from one pan and 20 cm from the other. There is an object in the pan closest to the center. The pans balance when 7 kg is placed in the other pan.What is the weight of the unknown object?
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