How much the spring is compressed nonconserva ve

Info iconThis preview shows page 1. Sign up to view the full content.

View Full Document Right Arrow Icon
This is the end of the preview. Sign up to access the rest of the document.

Unformatted text preview: block is released and the poten-al energy is transformed to kine-c energy of the block Spring force as a varying force •  Spring is slowly stretched from 0 to xmax •  •  Spring force as a varying force •  The work is also equal to the area under the curve •  In this case, the “curve” is a triangle •  A = ½ B h gives W = ½ k(xmax)2 and W = PE Work- Energy Theorem Including a Spring •  Wnc = (KEf – KEi) + (PEgf – PEgi) + (PEsf – PEsi) –  PEg is the gravita-onal poten-al energy –  PEs is the elas-c poten-al energy associated with a spring –  PE will now be used to denote the total poten-al energy of the system Conserva-on of Energy Including a Spring •  Wnc = 0 •  An extended form of conserva-on of mechanical energy can be used –  The PE of...
View Full Document

Ask a homework question - tutors are online