Lecture 7 - Non-Inertial Frames

Lecture 7 - Non-Inertial Frames - Non-inertial Frames r s (...

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Non-inertial Frames
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( 29 2 2 2 2 ˆ ' ˆ ' or, ' ' x x s t v ti dr dr v i dt dt d r d r a a dt dt F ma ma = = - = = = = r ur r ur r r uur ur r uur
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Any frame in which is an inertial frame. Any other frame moving at constant speed in a straight line with respect to that one is also an inertial frame. F ma =
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( 29 ( 29 2 2 2 2 Suppose the observer, is accelerated. The observer sees where Observer concludes that object is accelerated. Pseudoforce opposite direction o s t r t r r s dr ds dt dt d s a dt d s f ma m dt = - = - = - = = - ur r r ur r r ur r ur bserver's acceleration
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2 0 2 Earth as seen from inertial frame ˆ ˆ E v a r r M M F G r r - = = - r ur
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f a m = - ur r
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( 29 1 2 2 2 1 2 1 2 2 2 2 1 1 2 2 2 1 1 2 2 1 2 The Tides View from inertial frame 0 0 0 where F F
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Lecture 7 - Non-Inertial Frames - Non-inertial Frames r s (...

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