OBJECT: To determine by means of vector diagrams the resultant of several concurrent forces and to check the accuracy of the result on a force table.
METHOD: Each student is assigned a problem. In this problem it is assumed that the magnitude and direction of certain forces acting on a body are known. The resultant and anti-resultant (equilibrant) of these given forces are determined both by graphical method and by the use of trigonometric relationships. The accuracy of the result is checked on a force table.
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OBJECT: To study the composition and resolution of concurrent forces as examples of vector quantities.
METHOD: Concurrent forces acting on a body are used as examples of vector quantities. These forces are represented by vectors. The resultant and equilibrant of several sets of such known forces are determined by both graphical and analytical methods. These results are tested on a force table as a check on the first condition for the equilibrium of a rigid body.
Continue reading ‘Composition and Resolution of Concurrent Forces by Vector Methods’
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