A = πr2 = π(1.67mm/2)2(1m/1000mm)2 = 2.39445π × 10-6 m2
The ultimate tensile strength for nylon is 5.00×108 N/m2.
1. What is the maximum tension possible in a 1.67-mm-diameter nylon tennis racket string?
2. If you want tighter strings, what do you do to prevent breakage: use thinner or thicker strings?
a) use thinner strings
b) use thicker strings
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