w8-05 - r 5 Force and Motion - I 1) If no net force acts on...

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Unformatted text preview: r 5 Force and Motion - I 1) If no net force acts on a body, the body’s velocity cannot change; that is, the body cannot accelerate . a = 2) The net force on a body is equal to the product of the body’s mass and its acceleration . 3) When two bodies interact, the forces on the bodies from each other are always equal in magnitude , and opposite in direction . r F net = r F AB = - r F = These rules-of-thumb only apply in inertial reference frames! r 5 Force and Motion - I 1) If no net force acts on a body, the body’s velocity cannot change; that is, the body cannot accelerate . a = 2) The net force on a body is equal to the product of the body’s mass and its acceleration . 3) When two bodies interact, the forces on the bodies from each other are always equal in magnitude , and opposite in direction . r F net = r F AB = - r F = r 5 Force and Motion - I 1) If no net force acts on a body, the body’s velocity cannot change; that is, the body cannot accelerate . r F net = CLICKER: Did you see any acceleration? r 5 Force and Motion - I 1) If no net force acts on a body, the body’s velocity cannot change; that is, the body cannot accelerate . r F net = r 5 Force and Motion - I 1) If no net force acts on a body, the body’s velocity cannot change; that is, the body cannot accelerate . r F net = r 5 Force and Motion - I 1) If no net force acts on a body, the body’s velocity cannot change; that is, the body cannot accelerate . r F net = 1) Gravitational force 2) Electromagnetic force 3) Strong force 4) Weak force r 5 Force and Motion - I 1) If no net force acts on a body, the body’s velocity cannot change; that is, the body cannot accelerate . r F net = 1) Gravitational force 2) Electromagnetic force 3) Strong force 4) Weak force Book Table Book Table Book Table Book Table Book Table Push r 5 Force and Motion - I 2) The net force on a body is equal to the product of the body’s mass and its acceleration . r F = Introduction to Quantum Mechanics David J. Griffiths Chapter 1 The Wave Function 1.1 The Schrödinger Equation Imagine a particle of mass m , constrained to move along the x-axis, subject to some specified force F(x, t) . The program of classical mechanics is to determine the position of the particle at any given time: x(t) . Once we know that, we can figure out the velocity ( v = dx/dt...
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This note was uploaded on 10/01/2008 for the course PHYSICS 101 taught by Professor Bennet during the Spring '08 term at Johns Hopkins.

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w8-05 - r 5 Force and Motion - I 1) If no net force acts on...

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