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What are the important points on superposition principle of force?
Only vector addition is applicable
What vector in a system points in the same direction as the linear momentum vector?
The energy vector, cmV = cP. The energy vector is parallel to the Momentum vector.
What is subtraction of vector quanities?
Vectors are added graphically tip to tail. You subtract vector B from vector A by adding vector -B to vector A. Where -B means a vector that points in the opposite direction as B , but has same magnitude. For example to subtract B (magnitude 4, points left) from vector A (magnitude 3, points up), first draw A, then draw -B (magnitude 4, points right) ,starting -B at the tip of A. Then the vector that connects the tail of A to the tip of -B is the difference A - B or A + (-B) . In this example A & -B form the legs 3 & 4 of a right triangle so the hypotenuse (which is A - B) is 5.
What produces a raster image and what produces a vector image?
raster image = monitor, laser printer or ink-jet printer vector image = graphics plotter
How does a vector represents distance and direction?
A vector is like an arrow. It points in the relevant direction and its length is a measure of the distance.
