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Question
Which of these are not real vectors?
Which of these are not real vectors?
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Solution
The correct options are
B Police force
C Direction of life
D One Direction
A vector is a quantity that has magnitude + direction + it obeys parallelogram law of vector addition.
Force is a vector.
velocity - again a vector
Current! No current is not a vector. Though it has magnitude and direction, it doesn’t obey the parallelogram law.
Pressure? Nope! It’s a scalar.
B Police force
C Direction of life
D One Direction
A vector is a quantity that has magnitude + direction + it obeys parallelogram law of vector addition.
Force is a vector.
velocity - again a vector
Current! No current is not a vector. Though it has magnitude and direction, it doesn’t obey the parallelogram law.
Pressure? Nope! It’s a scalar.
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