Linear Motion: Vector Quantities

Description

These flash cards provide an overview of the types of vector quantities. The main types of vectors covered include displacement, acceleration and velocity. This is aimed at the Leaving Certificate student.
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Resource summary

Question Answer
Vector Quantity A quantity with both magnitude and direction
Examples of Vector Quantities Displacement, velocity, force, acceleration, magnetic flux density, momentum, electric field strength
Displacement Distance in a given direction Measured in metres
Velocity The rate of change of displacement with respect to time Measured in metres per second
Formula for Average Velocity (u + v)/2
Acceleration Rate of change of velocity with respect to time Measured in metres per second squared
Formula for Acceleration (Change in velocity) / (time taken) a = (v - u)/t
Adding Co-linear Vectors Same direction - add magnitudes, use same direction Opposite direction - subtract magnitudes, use direction of larger vector
Triangle Law The resultant of two perpendicular vectors is equal to the hypotenuse of the right-angled triangle formed by the two vectors placed "tip to tail"
Resolving vectors A vector can be resolved into two perpendicular component vectors
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