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16 Cards in this Set
- Front
- Back
What is Distance?
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How far an object has travled
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What is Displacement?
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How far an object has gone in a certain direction
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What is a vector?
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has magnitutde( amount) and a direction
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What is a scaler?
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has magnitude(amount)
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Give the examples of scalers?
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Mass, Weight, Volume, Density, Distance, Speed
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Give the examples of vectors?
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Force, Displacement, Velocity, and Acceleration
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What is Velocity?
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Speed with Direction
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What is Acceleration?
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The change in velocity
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When two or more vectors act on the same object, we can add the two vectors to find ______
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The resultant
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Name the three steps to add adding 2 or more vectors
Tip to Tail Meathod |
1. Draw one of the vectors
2. Where the first vector ends, begin drawing the second vectors 3. The resultant is from the beginning of the first vector to the end of the last vector |
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Vectors can be added _____ and _______
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Graphically and Mathmatically
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How do you add vectors graphically?
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By constructing a triangle the measure the length and direction to the same sale
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How do you add vectors mathmatically?
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By constructing a triangle and solving using mathmatical procedures. Ex. Law of Cosines
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We can ____ a single vector into 2 ______
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Resolve and Components
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We can add any number of vectors by
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1. Resolve each vector into its x and y components
2. Add all the X and Y components to find the X total and Y total 3. Add the x vector total and the y vector total to get the resultant |
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What is the law of cosines?
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a^2 = b^2 + c^2 - 2bc x cosA
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