An imbalance of 1/4 ounce (7 grams, or about one sheet of paper) at a 4" radius on a rotating part will MOST-Likely create forces of:
A)7 lb.at 2,000 rpm
B)20 lb.at 4,000 rpm
C)68 lb.at 6,000 rpm
D)117 lb.at 8,000 rpm

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The Answer of An imbalance of 1/4 ounce (7 grams, or about one sheet of paper) at a 4" radius on a rotating part will MOST-Likely create forces of:
A)7 lb.at 2,000 rpm
B)20 lb.at 4,000 rpm
C)68 lb.at 6,000 rpm
D)117 lb.at 8,000 rpm

An Imbalance of 1/4 Ounce (7 Grams, or About One