Lesson 2: Statics Assessment Instruction; Show your complete and neat solution. Identfy your final answer in the sclution. See answer sheet format. 1. Weights of 2, 4, 6 and 8 N are fastened to the corners of a 2 m x 2 m frame. If it weighs 10 N, where would the fulcrum (the support point) be placed to balance the frame and the weights? 2. A ladder 12 m long leans against a vertical frictionless wall with its lower end 3 m from the wall. The ladder weighs 40 N. Find the magnitude and direction of the force exerted on the lower end of the ladder. 3. A uniform 25 N beam 6 m long is carried by two men A and B, one at each end of the beam. a) IfA exerts a force of 20 N, where must a load of 45 N be placed on the beam? b) What force does B exert? 4. A3 m long weightless beam is supported at each end by cables. A painter weighing 900 N stands 1 m from the left cable. Calculate the tension in each cable. 5. Where must a 500 N weight be hung on a uniform 150 N pole with a length of 5 m so that a girl at one end supports % as much as a man at the other end?
Lesson 2: Statics Assessment Instruction; Show your complete and neat solution. Identfy your final answer in the sclution. See answer sheet format. 1. Weights of 2, 4, 6 and 8 N are fastened to the corners of a 2 m x 2 m frame. If it weighs 10 N, where would the fulcrum (the support point) be placed to balance the frame and the weights? 2. A ladder 12 m long leans against a vertical frictionless wall with its lower end 3 m from the wall. The ladder weighs 40 N. Find the magnitude and direction of the force exerted on the lower end of the ladder. 3. A uniform 25 N beam 6 m long is carried by two men A and B, one at each end of the beam. a) IfA exerts a force of 20 N, where must a load of 45 N be placed on the beam? b) What force does B exert? 4. A3 m long weightless beam is supported at each end by cables. A painter weighing 900 N stands 1 m from the left cable. Calculate the tension in each cable. 5. Where must a 500 N weight be hung on a uniform 150 N pole with a length of 5 m so that a girl at one end supports % as much as a man at the other end?
University Physics Volume 1
18th Edition
ISBN:9781938168277
Author:William Moebs, Samuel J. Ling, Jeff Sanny
Publisher:William Moebs, Samuel J. Ling, Jeff Sanny
Chapter6: Applications Of Newton's Laws
Section: Chapter Questions
Problem 29P: Two muscles in the back of the leg pull upward on the Achilles tendon, as shown below. (These...
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