Problem #0052 Mechanics Sub-menu Problem #0054 Chapters Chapters

53.

Problem 13.47E (HRW)

After a fall, a 95 kg rock climber finds himself dangling from the end of a rope that had been 15 m long and 9.6 mm in diameter but which has stretched by 2.8 cm. We have to calculate for the rope (a) strain, (b) stress and (c) Young’s modulus.

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(a)

Strain.

Force on the rope, .

(b)

Stress.

(c)

Young’s modulus, E, .