Forces: Equilibrium Examples
Physics 101: Lecture 2, Pg 1 Forces: Equilibrium Examples Physics 101: Lecture 02 Today s lecture will cover Textbook Sections Phys 101 URL: Read the course web page! Physics 101: Lecture 2, Pg 2 W=GMEarthmrEarth2=mGMEarthrEarth2 mgOverview Last Lecture Newton s Laws of Motion FIRST LAW: Inertia SECOND LAW: Fnet = ma THIRD LAW: Action/reaction pairs Gravity = (near Earth s surface!) Today Forces as Vectors Free Body Diagrams to Determine Fnet Draw coordinate axes, each direction is independent.
•What does scale 1 read? • A) 225 N B) 550 N C) 1100 N The magnitude of tension in a ideal string is equal everywhere. T = W T = W ... q N . Physics 101: Lecture 2, Pg 13 Vector Decomposition T W N q q q W q W x W y Note that W W y W …
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