Two rock climbers, Bill and Karen, use safety ropes
Chapter 4, Problem 4.82(choose chapter or problem)
Two rock climbers, Bill and Karen, use safety ropes ofsimilar length. Karens rope is more elastic, called a dynamicrope by climbers. Bill has a static rope, not recommended forsafety purposes in pro climbing, (a) Karen falls freely about2.0 m and then the ropestops her over a distanceof 1.0 m (Fig. 4-60). Estimatehow large a force(assume constant) shewill feel from the rope.(Express the result inmultiples of her weight.)(b) In a similar fall, Billsrope stretches by only30 cm. How many timeshis weight will the ropepull on him? Whichclimber is more likely tobe hurt? FIGURE 4-60 82.
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