Question

Orb spiders make silk with a typical diameter of 0.15 mm. The Young's modulus of spider silk is 0.2×1010N/m2 and its tensile strength is 1000×106N/m2.

Part A:

A typical large orb spider has a mass of 0.50 g. If this spider suspends itself from a single 12-cm-long strand of silk, by how much will the silk stretch? (answer in mm)

Part B:

What is the maximum weight that a single thread of this silk could support? (answer in N)

Answer 1

Tom stlk Mo SIK (0 66 xom 0.0l 66 mm