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Two forces act on a massless block. If the force FA is known, what must the magnitude of FB be in order to keep the block from rotating about point P. A. FB = 3/5 FA B. FB = 3/4 FA C. FB = FA D. FB = 4/3 FA E. FB = 5/3 FA F P 4 m FB 3 m

Two forces act on a massless block. If the force FA is known, what must the magnitude of FB be in order to keep the block from rotating about point P. A. FB = 3/5 FA B. FB = 3/4 FA C. FB = FA D. FB = 4/3 FA E. FB = 5/3 FA F P 4 m FB 3 m

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Two forces act on a massless block. If the force Fis known, what must the magnitude of FB be in order to keep the block from rotating about point P. A. FB = 3/5 FA B. FB = 3/4 FA C. FB = FA D. FB = 4/3 FA E. FB = 5/3 FA F P 4 m FB 3 m
Transcribed Image Text:Two forces act on a massless block. If the force Fis known, what must the magnitude of FB be in order to keep the block from rotating about point P. A. FB = 3/5 FA B. FB = 3/4 FA C. FB = FA D. FB = 4/3 FA E. FB = 5/3 FA F P 4 m FB 3 m
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