A worker with mass m = 70 kg is trying to stretch his muscles with the help of a vertical wall. Assume that each hand is exerting a horizontal force of 55 N on the wall. What is the magnitude of the normal force acting by the wall on each of his hands? 70 N 60 N 75 N 50 N 55 N A block with mass m = 4 kg is attached to two ropes as shown below. What is the magnitude of the tension in rope 2, T2 = ? Use g = 10 m/s². 30 20° O O

A worker with mass m = 70 kg is trying to stretch his muscles with the help of a vertical wall. Assume that each hand is exerting a horizontal force of 55 N on the wall. What is the magnitude of the normal force acting by the wall on each of his hands? 70 N 60 N 75 N 50 N 55 N A block with mass m = 4 kg is attached to two ropes as shown below. What is the magnitude of the tension in rope 2, T2 = ? Use g = 10 m/s². 30 20° O O

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College Physics

10th Edition

ISBN:9781285737027

Author:Raymond A. Serway, Chris Vuille

Publisher:Raymond A. Serway, Chris Vuille

Chapter4: The Laws Of Motion

Section: Chapter Questions

Problem 77AP: The board sandwiched between two other boards in Figure P4.91 weighs 95.5 N. If the coefficient of...

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