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Unformatted text preview: C o m in g t h is w e e k :
! Motion of objects in a straight line, in one dimension. ! The concepts of position, displacement, and distance. ! Position, velocity, and acceleration vectors of objects moving in a straight line. ! Computing the velocity and acceleration of objects moving in a straight line. ! Mathematical description of motion with constant acceleration. ! Free fall without air resistance. Physics for Scientists & Engineers 1
Fall Semester 2006 Lecture 5 August 31, 2006 Physics for Scientists&Engineers 1 1 August 31, 2006 Physics for Scientists&Engineers 1 2 P o s it io n
! Vectors for one-dimensional motion have only one component, x-component for now. ! Use the symbol x to denote position vector
0 x G r a p h ic a l R e p r e s e n t a t io n
! Example: Car is driving down the road (top view)
x • As the car passes the blue dot, we start our clock and record its position in regular time intervals • N o te : w e le a v e th e v e c to r a r r o w s o ff fo r 1 d v e c to r s • A ll p o s itio n v e c to r s a r e m e a s u r e d r e la tiv e to th e o r ig in o f th e c o o r d in a te s y s te m , w h ic h c a n b e c h o s e n a r b itr a r ily • V e c to r x c a n b e p o s itiv e o r n e g a tiv e ( its m a g n itu d e is a g a in a lw a y s p o s itiv e , th o u...
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This note was uploaded on 03/01/2010 for the course PHY 183 taught by Professor Wolf during the Spring '08 term at Michigan State University.
- Spring '08