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Applications of Vectors. Definition: Resultant: The result of two vectors acting on a point at the same time. Equilibrant: The opposite vector of the resultant. Find the resultant by ADDING vectors. Two Methods to solve Application Problems.
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Definition: Resultant: The result of two vectors acting on a point at the same time. Equilibrant: The opposite vector of the resultant. Find the resultant by ADDING vectors.
Two Methods to solve Application Problems. A). Resolve the vectors into component form. Then add. Two forces act on a point. Vector A has direction angle = 30o and magnitude = 50 Vector B has direction angle = 135o and magnitude = 20 1. Write each vector in Component form – start with trig form Add the components to find the Resultant Vector Find the magnitude and Amplitude of the Resultant
Two forces act on a point. Vector A has direction angle = 30o and magnitude = 50 Vector B has direction angle = 135o and magnitude = 20 resultant Mag= amp =
Two Methods to solve Application Problems. A). Resolve the vectors into component form. Then add. Two forces act on a point . Given the angle between the angles Vector A has magnitude = 15 Vector B has magnitude = 23 The angle between the two angles is 70o. Make one the x-axis Resultant has a magnitude of and amplitude of
Two Method to solve Application Problems. B). Parallelogram Method - Law of Cosines. Two forces act on a point . Given the angle between the angles Vector A has magnitude = 15 Vector B has magnitude = 22 The angle between the two angles is 100o. Draw a Parallelogram. Find the angle opposite the resultant – using the Law of Cosines Use the Law of Sines to find the angles.
Two forces act on a point . Given the angle between the angles Vector A has magnitude = 15 Vector B has magnitude = 22 The angle between the two angles is 100o. Draw a Parallelogram. Find the angle opposite the resultant – using the Law of Cosines Use the Law of Sines to find the angles. 100⁰ x 24.380
Two Method to solve Application Problems. B). Parallelogram Method - Law of Cosines. Two forces at on a point. Vector A has direction angle = 75o and magnitude = 45 Vector B has direction angle = 310o and magnitude = 27
Two forces act on a point. Vector A has direction angle = 75o and magnitude = 45 Vector B has direction angle = 310o and magnitude = 27 x y
Assignment: Applications 1: Methods