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Exam 2 Hasty Spring 2011

Exam 2 Hasty Spring 2011 - ~ I Physics 2014 Exam 2 Spring...

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,-- ~ I Physics 2014 0 Name: Exam 2- Spring 2011/\ I General Instructions: b Room: PS~ nllis closed-book 50 minute exam may be supplemented by a valid reference she, m submission. Incorrect name, seat, or lab section information will receive a 10-poil" . _~_I responses will earn zero credit. Record all work in pencil using proper written EngliSh. (j~od Luck! .'"T) . Section 1 - Conceptual Physics [2 Points Each 1 Instructions: Questions are grouped into related situations. Circle or provide each question's best answer. , CJI.-' r [ Points as Indicated I I) Regarding physical quantities: I., • An object's weight always equals its normal force when on a surface (true~ _" .P('jU WI ~ lMU""-- • Newton's phrase "quantity of motion" refers to which physical property? __ H> __ ~ _ • Total energy conservation requires assumptions and/or tests to be valid ( true Is . • Potential energy functions require conservative forces~ false ). • An object's (static frictional/~ I normal) force does not appear on a FBD. • Negative work on moving objects implies velocities that ( increase I rl~ase ~ change:}) • LimiMions or restrictions upon an object's behavior are called ~~r_; .... ~ . • Protons, neutrons, and other particles are composed of ••Ie • Frictional forces act to oppose an object's ( normal force I velocity I ur -to-surface slippage • The three equilibrium types we discussed were: stable, unstable, and (n~ral stati I free ).

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Exam 2 Hasty Spring 2011 - ~ I Physics 2014 Exam 2 Spring...

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