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1.3 Vectors and Scalars

1.3 Vectors and Scalars. 1.3.1 Distinguish between vector and scalar quantities, and give examples of each. Scalar – a magnitude with out any direction. Ex - $10, 32ºF Vector – a magnitude with direction Ex – running 12m/s to the left. .

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1.3 Vectors and Scalars

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  1. 1.3 Vectors and Scalars

  2. 1.3.1 Distinguish between vector and scalar quantities, and give examples of each • Scalar – a magnitude with out any direction. • Ex - $10, 32ºF • Vector – a magnitude with direction • Ex – running 12m/s to the left.

  3. 1.3.1 Distinguish between vector and scalar quantities, and give examples of each Sort the list below into either a vector or a scalar quantity: Torque, Charge, Mass, Acceleration, Velocity Volume, Speed, Distance, Displacement, Power, Force, Momentum, Electric Field Intensity, Time • Scalars • Vectors

  4. Scalars • Distance, Speed, Time, Temp, Mass, Charge, Volume, Work/Energy, Power • Vectors • Displacement, Velocity, Acceleration, Momentum, Force, Torque, Angular Momentum, Electric Fields Intensity, Magnetic Field Intensity

  5. 1.3.1 Distinguish between vector and scalar quantities, and give examples of each • When ever a vector quantity is multiplied or divided by a scalar quantity the result will always be a vector. • The direction of the resultant will be the same as the original vector.

  6. 1.3.2 Determine the sum or difference of two vectors by a graphical method. • Video: http://www.youtube.com/watch?v=ICs32uwOxY8&list=PL0373D5075FC0E4DC • Start @ 1:30

  7. 1.3.2 Determine the sum or difference of two vectors by a graphical method. • Head to tail Method: • You will never have two heads touching or two tails touching; except for the resultant. • Resultant is the result of adding two or more vectors together. • IT DOES NOT MATTER WHAT ORDER YOU ADD VECTORS!!!!

  8. Practice Problems.

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