2. A weight of 250 lb. is placed on a smooth plane inclined at an angle of 37.6° with the horizontal and held in place by a rope parallel to the surface to peg in the plane. Find the pull on the string. Solution:

A rectangular solid has length L=12.6 mm, width W=23.8 mm, and height H=32.5 mm. Find the length of a diagonal AB from the upper left rear vertex to the lower right front vertex. Round the answer to 1 decimal place.