4. Determine the normal force that the 100-lb plate A exerts on the 30-lb plate B....
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4. Determine the normal force that the 100-lb plate A exerts on the 30-lb plate B. A Liat В 4 ft I ft- 4. Determine the normal force that the 100-lb plate A exerts on the 30-lb plate B. A Liat В 4 ft I ft-
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