The full step-by-step solution to problem: 34PE from chapter: 9 was answered by , our top Physics solution expert on 03/03/17, 03:53PM. The answer to “A father lifts his child as shown in Figure 9.43. What force should the upper leg muscle exert to lift the child at a constant speed?” is broken down into a number of easy to follow steps, and 26 words. Since the solution to 34PE from 9 chapter was answered, more than 719 students have viewed the full step-by-step answer. Physics: Principles with Applications was written by and is associated to the ISBN: 9780130606204. This full solution covers the following key subjects: Child, lift, exert, father, figure. This expansive textbook survival guide covers 35 chapters, and 3914 solutions. This textbook survival guide was created for the textbook: Physics: Principles with Applications, edition: 6.