Chapter2-7_2-8_outline_ppt

Chapter2-7_2-8_outline_ppt - Free body diagram is every...

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Chapter 2-7, 2-8 Outline 1. Contact forces 2. Normal forces 3. Static Frictional force 4. Kinetic Frictional force 5. Microscopic origin or friction 6. Tension 7. The four Fundamental forces 8. Master the concepts
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Master the concepts 1. Force is a push or pull, all forces exerted on macroscopic objects are contact forces. 2. Vectors have magnitude and direction. 5. Components of a vector are the projections on the coordinate axes. 4. The net force on a system is the vector sum of the external forces on it. 5.
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Unformatted text preview: Free body diagram is every external force acting on that body. 6 . Newton’s third law “each object exerts an equal and opposite force on each other”. 7. Four fundamental interactions, gravity, the strong and weak interactions and the electromagnetic interactions. 8. The magnitude of the gravitational force between two objects is F=Gm1m2/r2. 9. The weight of an object is W=mg. 10. Friction is a contact force. The kinetic frictional force and the maximum...
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This note was uploaded on 02/05/2012 for the course PHYS 149 taught by Professor Staff during the Spring '08 term at Purdue University.

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Chapter2-7_2-8_outline_ppt - Free body diagram is every...

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