11070286
Beschreibung
Karteikarten von Ellie Potellie, aktualisiert more than 1 year ago
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Erstellt von Ellie Potellie
vor mehr als 6 Jahre
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| Frage | Antworten |
| What Is Vector Quantity? | A vector quantity has both magnitude [size] and direction in space |
| What Is Scalar Quantity? | A scalar quantity has only magnitude [size] and NO direction in space |
| How Is A Vector Quantity Shown? | A vector quantity is always represented by an arrow in a diagram |
| What Represent Its Magnitude? | The length of an arrow represents its magnitude |
| What Shows Direction? | The direction when the arrow points shows the direction |
| What Is The Resultant Of Two Vectors? | The resultant of two vectors is that the single vector, when acting alone, has the same effect as the other two vectors |
| How Do You Find The Resultant Of Two Vectors? | If 2 vectors are pointing in the same direction you add them if they're in opposite direction you subtract them |
| How Do You Find The Resultant Of Two Non-col-linear Vectors? | If The vectors are not in the same straight line we use the parallelogram law to find the resultant |
| What Is Parallelogram Law? | Parallelogram Law is if 2 vectors, drawn tail to tail, are the adjacent sides a+b & a+d of the parallelogram abcd. Then the diagonal from a to c of the parallelogram is their resultant |
| How Do You Find The Resultant Of Three Or More Vectors? | You solve the resultant of two vectors and use R to solve with V3 |
| How Do You Resolve A Vector Into Components? | Resolving a vector into components is expressing it in terms of two vectors so that it is the resultant of these two |
| How Do You Calculate The Perpendicular Components? | A vector of magnitude 'V' has perhendicuilar components 'X' and 'Y'. 'V' makes an angle with the component 'X'. |
| What Are The Magnitudes Of The Components? | The magnitude of the components are; 'X' = 'V' cos (angle) for horizontal and 'Y' = 'V' sign (angle) |
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