F = MA 2020 (Mock) Problems

Revision as of 16:07, 8 July 2020 by Shiamk (talk | contribs) (Problem 2)

Problem 1

Initially at rest, $2$ masses $3m$ and $5m$ hang on $2$ ends of a massless rope on a massless, smooth pulley and the mass $3m$ hangs $l$ feet above the ground. Once the system is released, what is the speed of the $3m$ block when it strikes the ground?


Problem 2

An equilateral triangle has a side length of $s$. How high above the base of the triangle the center of mass of the triangle located?