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Which of the following wedges generates the greatest amount of force.

A 11" long and 4" high
Explaination
When a wedge is longer in relation to its height it decreases the amount of lift that occurs when the wedge moves through an object. This increases the amount of force generated.
B 9" long and 4" high
C 7" long and 4" high
D 5" long and 4" high