A force is applied to a bead as the bead is moved along a
Chapter , Problem 59(choose chapter or problem)
A force is applied to a bead as the bead is moved along a straight wire through displacement 5.0 cm. The magnitude of is set at a certain value, but the angle f between and the beads displacement can be chosen. Figure 7-45 gives the work W done by on the bead for a range of f values; W0 ! 25 J. How much work is done by if f is (a) 64( and (b) 147(?
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