PROBLEM 15-108 (page 293, 14th edition) PROBLEM 15-107 (page 276, 12th edition) The 2 kg ball rotates around the horizontal circular path A with speed 1.5 m/s. · Determine the radius of the circular path. · Determine the tension in the cord. The tension force on the cord is increased. The ball rises and rotates around the horizontal circular path B. · Determine the radius of the circular path. . Determine the speed of the ball. . Determine the tension in the cord. · Determine the work done by the tension force in moving the ball from path A to path B. 300 mm B 600 mm A F PROB15_107.jpg Copyright 2010 Pearson Prentice Hall, Inc.
15-108 (page 293, 14th edition) 15-107 (page 276, 12th edition) SUMMARY OF RESULTS Data m = 2 kg 4 =0.6 m V1=1.50 m/s 12 =0.3 m . Initial circular path $= 34.2° r=0.337 m v1=1.50 m/s Final circular path ¢2=57.9° r2 =0.254 m V2 =1.99 m/s $ 0 1 2 1, r2 0 B £ 1, F = 23.7 N F2=36.9N r, A
TOP VIEW A 12 101 15 0 . - - SIDE VIEW z A 1 1 1 - 1 0 .7 4.ª? m?