In terms of impulse and momentum, why are nylon ropes, which stretch considerably under tension, favored by mountain climbers?
The reason that nylon ropes, which stretch considerably under tension, are favored by mountain climbers.
Answer to Problem 38A
When nylon ropes stretched considerably under tension, it takes time for the impact for the same change in momentum due to which impact force on the climber will be less in case of accidental fall.
Explanation of Solution
Introduction:
Impulse on an object is given by,
Where,
Now, if the climber fall accidently then due to the more stretch in the nylon ropes, the impact time on the climber due to same change in momentum will be more. And, thereby the impact force on the climber will be less.
Conclusion:
Hence, the nylon ropes increases the impact time on the climbers in case of accidental fall and thereby decrease the impact force.
Chapter 8 Solutions
Conceptual Physics: The High School Physics Program
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