101006 - Physics 121 10/6/10 10/6/10 1 Physics 121 fA fA B...

Info iconThis preview shows pages 1–4. Sign up to view the full content.

View Full Document Right Arrow Icon
Physics 121 10/6/10 Prof. E. F. Redish 1 10/6/10 1 Physics 121 10/6/10 6 Physics 121 B A static AB B A B A N f f ± ± ± = ² μ max B A kinetic AB B A N f ± ± = static AB kinetic AB ± 10/6/10 8 Physics 121 Start from rest Increase force until box starts moving Pull so it goes at a constant speed Graph: position velocity acceleration net force applied force friction force
Background image of page 1

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
Physics 121 10/6/10 Prof. E. F. Redish 2 10/6/10 10 Physics 121 10/6/10 11 Physics 121 10/6/10 15 Physics 121
Background image of page 2
Physics 121 10/6/10 Prof. E. F. Redish 3 10/14/09 16 Physics 121 ± 90- ± 90 opp adj hyp Although opp, adj, and hyp all depend on the size of the triangle, the ratios opp/adj, opp/hyp, and adj/hyp only depend on itsshape (that it, on ± ) . 10/14/09 17 Physics 121 ± 90- ± 9 0 opp adj hyp sin ± =
Background image of page 3

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
Background image of page 4
This is the end of the preview. Sign up to access the rest of the document.

Page1 / 4

101006 - Physics 121 10/6/10 10/6/10 1 Physics 121 fA fA B...

This preview shows document pages 1 - 4. Sign up to view the full document.

View Full Document Right Arrow Icon
Ask a homework question - tutors are online