rev11sp10 - TA Tomoyuki Nakayama March 29th March 30th 2010...

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TA: Tomoyuki Nakayama March 29 th – March 30 th , 2010 PHY 2048: Physics 1 with Calculus, Spring 2010 Review: Chapter 13.1-13. The purpose of this review is to refresh your memory. Physics is a cumulative subject, so make it sure that you understand basic concepts and typical problem solving techniques in previous chapters before moving on to a new chapter. ________________________________________________________________________________ A . Newton’s Law of Gravitation & Superposition Principle In the right figure, particles are located at the center and on the perimeter of a square of length L . Find the net gravitational force on the particle at the center A particle of mass m = 2 kg is a distance d = 0.5 m from one end of a uniform rod with length L = 1.5 m and mass M = 5 kg. What is the magnitude of the gravitational force on the particle from the rod? B. Gravitational Potential Energy The figure on the right shows two concentric spherical shells with radii R 1 and R 2 and masses M 1 and M 2 . A particle of mass m is brought to the center of the shells from infinity. Find the net work.
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