physics help: are any of the elements in figure p2-18 in series or parallel? if so, identify the Published 11 days ago • 25 plays • Length 6:07 Download video MP4 Download video MP3 Similar videos 9:59 mechanical engineering: equilibrium of rigid bodies (18 of 30) ex. 2 eq. of 3-force body 3:30 calculus 2: applications - calculating work (3 of 16) work ex 2: springs note: w=(1/2)kx^2 32:06 work problems - calculus