Vectors Flash Cards

Pregunta	Respuesta
How would you define a vector?	A vector quantity is defined by magnitude AND direction.
How would you define a scalar?	A scalar quantity is defined by magnitude only.
What is the difference between distance and displacement?	Distance is described by magnitude only. Displacement includes both magnitude and direction.
What is the equation for speed?	average speed = distance/time
What is the equation for velocity?	Average velocity = displacement/time
How to you add vectors?	Must makes sure that vectors are 'tip to tail' and used in a scale diagram.
How do you add vectors at right angles?	It is easier to use Pythagoras to find the resultant and trigonometry to find the angle.
What is the resultant of a number of forces?	A single force which has the same effect as the sum of individual forces.

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	Creado por CuteMarshmallow hace más de 12 años