101.F07.lecture2

# 101.F07.lecture2 - P H Y 1 1 H o w t h e “ w o r l d ”...

This preview shows pages 1–7. Sign up to view the full content.

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

View Full Document

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

View Full Document

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

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

Unformatted text preview: P H Y 1 1 : H o w t h e “ w o r l d ” w o r k s I Sid Nagel e t o r t o i s e a n d t h e h a r e : O n e- d i m e n s i o n a l m o t i o n Q u i c k r e v i e w : W h a t i s p h y s i c s ? • It’s knowledge of nature. • What is nature? It’s matter and it’s energy. They are indeed related. • How does one “piece” of matter interact with another “piece” matter in terms of a few fundamental laws? W h a t i s m a t t e r ? • Matter is made up of atoms (and a few other things). • But what then are atoms? • Atoms are made up of electrons, protons and neutrons. wikipedia.org M a t t e r i n m o t i o n • Forces can cause matter to accelerate . • What is acceleration? It has something to do with motion. • Let’s start from the beginning....How do we describe the motion of an object? (1) Describe an object (2) Describe the object’s position (3) Describe the object’s position as a function of time, i.e. motion D e s c r i b i n g a n o b j e c t • For our purposes, an object is described by (1) its total of amount of matter, otherwise known as mass, and by (2) the position of its center of mass • Center of mass—the object’s mass acts as if it were concentrated at a point P...
View Full Document

{[ snackBarMessage ]}

### Page1 / 17

101.F07.lecture2 - P H Y 1 1 H o w t h e “ w o r l d ”...

This preview shows document pages 1 - 7. Sign up to view the full document.

View Full Document
Ask a homework question - tutors are online