True or false A 315-N force F and a 70-Nm couple M are applied to corner /{ of a

Question

True or false

A 315-N force F and a 70-Nm couple M are applied to corner /{ of a block, as shown below. If F and M are instead represented by an equivalent force-couple system Fr and Mr acting at point D, then which of the following statements is true about Fr and Mr? FK = F and Mr = M. Fr = F and | Mr | = 70 Nm, but the direction of Mr is different from that of M. Mr = M and | Fr | = 315 N, but the direction of Fr is different from that of F. | Fr | = 315 N and |Mr|= 70 N m, but the direction of Mr is different from that of M, and the direction of Fr is different from that of F. | Fr| =315 N and | Mr| = 70 N m, but the direction of Mr is the same as that of M, and the direction of Fr is the same as that of F. Fr = F, |Mr |= 70 N m, and the direction of Mr is different from that of M. | Fr | st 315 N, | Mr|= 70 N m, the direction of Mr is different from that of M, and the direction of Fr is the same as that of F. | Fr | = 315 N, | Mr | = 70 N m, the direction of Mr is different from that of M, and the direction of Fr is different from that of F. Fr = F, |Mr|= 70 N m, the direction of Mr is the same as that of M. None of the above

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true

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