PHYS171_f11_lecture_18

# PHYS171_f11_lecture_18 - PHYS171 Prof. Arthur La Porta...

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PHYS171 Prof. Arthur La Porta [email protected] Rm 1111, IPST building (building #085) In the news •Nobel Prizes for Physics Announced •Senator Barbara Mikulski (D-Md) proposes to cut both NSF and NIST budget

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Chapter 6 Fictitious Forces { observed force pseudo observed ma ma F ma ma F c c = + = a a c y with respect to the elevator is constant. radius r is constant as your car moves in a circle, your position with respect to the car interior is constant. You can move the acceleration arising from the non-inertial reference frame to the other side of the equation to find equivalent force observed force pseudo elevator elevator observed ma ma F ma ma F = + = 43 42 1 Chapter 6 Fictitious Forces g m r T r r v a c 2 = 0 cos : sin : 2 = = mg T y r v m T x θ Strictly speaking the forces on the swinging mass don’t balance, a force is needed to maintain the centripetal acceleration of the object as it moves on a circular orbit.
Chapter 6 Fictitious Forces g m r T r r v m F p 2 = 0 cos : 0 sin : 2 = = + mg T y r v m T x θ However, if we move the centripetal

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## This note was uploaded on 12/29/2011 for the course PHYSICS 171 taught by Professor La porta during the Fall '11 term at Maryland.

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PHYS171_f11_lecture_18 - PHYS171 Prof. Arthur La Porta...

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