ZHENGGUO (KEVIN)

This page lists questions and answers that were posted by visitors named ZHENGGUO (KEVIN).

Questions

The following questions were asked by visitors named ZHENGGUO (KEVIN).

Answers

The following answers were posted by visitors named ZHENGGUO (KEVIN).

FFirst, we analyse the Vertical axis, to keep the s-man from falling, the upward friction force must equal to the downward W, which is m*g. Thus, we derive the equation f=μ*Normal force=m*g=W SSecond, let's focus on the horizontal axis, the force componen...