The uniform 20-lb ladder rests on the rough floor for which
the coefficient of static friction is s = 0.8 and against the
smooth wall at B. Determine the horizontal force P the man
must exert on the ladder in order to cause it to move.
ME 41 Lab.
MASS, VOLUME, AND DENSITY
To determine the densities of unknown metals.
Measure the mass and volume of different metals, using a balance and the method of water displacement.
Show that the relationship between mass and volu