Flashcards
Physics - Vectors & Scalars
Cards in this deck (13)
- 1What Is Vector Quantity?A vector quantity has both magnitude [size] and direction in space
- 2What Is Scalar Quantity?A scalar quantity has only magnitude [size] and NO direction in space
- 3How Is A Vector Quantity Shown?A vector quantity is always represented by an arrow in a diagram
- 4What Represent Its Magnitude?The length of an arrow represents its magnitude
- 5What Shows Direction?The direction when the arrow points shows the direction
- 6What 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
- 7How 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
- 8How 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
- 9What 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 - 10How Do You Find The Resultant Of Three Or More Vectors?You solve the resultant of two vectors and use R to solve with V3
- 11How 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
- 12How 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'.
- 13What 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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- Fifth year Physics Flashcards on Physics - Vectors & Scalars, created by Ellie Potellie on 25/10/2017.
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- Ellie Potellie
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