P112_HW4_S06

# P112_HW4_S06 - Physics 112 Homework#4 Spring 2006 Be sure...

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Physics 112 Homework #4 Spring 2006 *** Be sure to print without size reduction so the tick mark spacing on page 4 is 2.0 cm. *** Read: Chap. 4 (all); Chap. 12, sections intro., 12.1, 12.2 For discussion: Chapter 4: Qs #Q4.1, Q4.2, Q4.3, Q4.6, Q4.7, Q4.12, Q4.13, Q4.14, Q4.15 (not turned in) Q4.21, Q4.25, Q4.26, Q4.28, Q4.30, Q4.32, Q4.34, Q4.36 Chapter 4: Es & Ps #4.1, 4.9, 4.19, 4.21, 4.27, 4.35, 4.37, 4.51 Chapter 12: Qs #12.2, 12.2, 12.3, 12.4; Es & Ps #12.1, 12.5, 12.19 Due Friday, Feb. 17 at lecture: *** NOTE: Be sure to begin each problem above that involves forces and Newton's Laws with a carefully labeled free-body diagram showing all the interaction forces acting on each body of interest. In proceeding to solve each problem involving Newton's 2nd (or 1st) Law, always work in an inertial reference frame , and first write out the appropriate component equation(s) of Σ F = m a carefully, with interaction forces from your free-body diagram(s) appearing only on the left side of your equation(s). *** #4.26 [Step on it!] #4.33 [Force is a vector] #4.38 [Parachuting] #4.39 [Pulling Crates] #4.49 [Tension in a Rope with Mass] #4.50 [Weightlifting] #12.15 [Earth's Gravity]

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1. [Force Graphs]
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