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4. A uniform plank 10m long is pivoted 2m from one end. A force of 30N is applied at the end as shown below: 30 N a. Calculate the moment of the 30 N force? b. If the mass of the plank is 500g calculate its weight. (g = 10N/kg) c. On the diagram put in an arrow indicating the location and direction of the weight of the plank. d. Explain why the system is not balanced. e. Using the principle of moments to determine what distance from the pivot, a 10N force must be applied to balance the plank

4. A uniform plank 10m long is pivoted 2m from one end. A force of 30N is applied at the end as shown below: 30 N a. Calculate the moment of the 30 N force? b. If the mass of the plank is 500g calculate its weight. (g = 10N/kg) c. On the diagram put in an arrow indicating the location and direction of the weight of the plank. d. Explain why the system is not balanced. e. Using the principle of moments to determine what distance from the pivot, a 10N force must be applied to balance the plank

College Physics
College Physics
11th Edition
ISBN:9781305952300
Author:Raymond A. Serway, Chris Vuille
Publisher:Raymond A. Serway, Chris Vuille
Chapter1: Units, Trigonometry. And Vectors
Section: Chapter Questions
Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...
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4. A uniform plank 10m long is pivoted 2m from one end. A force of 30N is applied at the end as shown below: 30 N a. Calculate the moment of the 30 N force? b. If the mass of the plank is 500g calculate its weight. (g = 10N/kg) c. On the diagram put in an arrow indicating the location and direction of the weight of the plank. d. Explain why the system is not balanced. e. Using the principle of moments to determine what distance from the pivot, a 10N force must be applied to balance the plank
Transcribed Image Text:4. A uniform plank 10m long is pivoted 2m from one end. A force of 30N is applied at the end as shown below: 30 N a. Calculate the moment of the 30 N force? b. If the mass of the plank is 500g calculate its weight. (g = 10N/kg) c. On the diagram put in an arrow indicating the location and direction of the weight of the plank. d. Explain why the system is not balanced. e. Using the principle of moments to determine what distance from the pivot, a 10N force must be applied to balance the plank
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