ps_1 - 2.20 Problem Set #1 Name: _ Purpose: This is a...

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2 . 2 0 Problem Set #1 Name: _______________________ Purpose: This is a multiple choice/short answer type of exercise prepared to give the teaching staff a “snapshot” of the level of knowledge of the class at the start. No number grade will be assigned, but a note will be made of whether you did it or not. Rules for Completion: This is a closed book exercise. No collaboration is allowed with others – this is a test of your knowledge. Try to do the exercise without interruption. When you are done, please note below roughly how long you actually spent on the exercise. Approximate Time to Complete: _______ minutes (to nearest 15 minutes) ________________________________________________________________________ For the following, circle the letter of the correct answer or fill in the blank: 1. Which of the following would describe a constitutive relation for a material? a) As pressure increases, temperature increases b) As volume decreases, pressure increases c) As the rate of stretching increases, tensile stress increases 2. In a conservative mechanical system, external forces can be represented as a) the curl of a vector potential b) the gradient of a scalar potential c) the divergence of a vector potential 3. When we state for a system a m F v v = , it is implied that the frame of reference is a) fixed in space b) accelerating with respect to a fixed frame c) either fixed or translating at a constant velocity with respect to a fixed frame 4. The following equation gives the acceleration of a point P with respect to a fixed
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This note was uploaded on 02/27/2012 for the course MECHANICAL 2.20 taught by Professor Dickk.p.yue during the Spring '05 term at MIT.

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ps_1 - 2.20 Problem Set #1 Name: _ Purpose: This is a...

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