Question

1. During a wrestling match, a 146 kg wrestler briefly stands on one hand during a maneuver designed to perplex his already moribund adversary. By how much (in m) does the upper arm bone shorten in length? The bone can be represented by a uniform rod 37.0 cm in length and 1.8 cm in radius.

2. A vertebra is subjected to a shearing force of 405 N. Find the shear deformation (in m), taking the vertebra to be a cylinder 3.50 cm high and 4.50 cm in diameter.

Answer 1