Web

This page lists questions and answers that were posted by visitors named Web.

Questions

The following questions were asked by visitors named Web.

A 56 kg rock climber is climbing a "chimney" between two rock slabs as shown in the figure. The static coefficient of friction between her shoes and the rock is 1.02; between her back and the rock it is 0.70. She has reduced her push against the rock unti...
15 years ago

Answers

The following answers were posted by visitors named Web.

Push against the rock= (mg)\(u1+u2)
15 years ago
force of push = (mg)/(u1+u2), so (49*9.8)/(1.2+.8)=240.1N fraction of weight= (u1)/(u1+u2),so (1.2)/(1.2+.8)=.6
15 years ago