350_Physics ProblemsTechnical Physics

350_Physics ProblemsTechnical Physics - 352 Static...

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352 Static Equilibrium and Elasticity Section 12.2 More on the Center of Gravity P12.4 The hole we can count as negative mass x mx mx mm CG = 11 22 12 Call σ the mass of each unit of pizza area. x R R x R RR R R CG CG = −− == σπ 2 2 2 2 2 2 2 8 3 4 0 6 chc h ch P12.5 The coordinates of the center of gravity of piece 1 are x 1 200 = . cm and y 1 900 = . c m . The coordinates for piece 2 are x 2 800 = . y 2 = c m . The area of each piece is A 1 72 0 = cm 2 and A 2 32 0 = 2 . And the mass of each piece is proportional to the area. Thus,
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This note was uploaded on 12/14/2011 for the course PHY 203 taught by Professor Staff during the Fall '11 term at Indiana State University .

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