True-False vector Points: 1 Which of the following statements is correct/incorre

Question

True-False vector Points: 1 Which of the following statements is correct/incorrect? Incorrectja dot (b x a) = 0 for all vectors a and b. - ct If three non-zero vectors add up to zero then they must all be in the same plane. incorrect vl If a x b = 0 then a = 0 or b = 0. Incorrect If (a dot b) = (a dot c) then b = c. prrect The scalar product can be a negative quantity. Correct The sum of the magnitudes of two vectors can be equal to the magnitude of the sum of these two vectors. Incorrect If (a dot b) = 0 then a = 0 or b = 0. Submit Answer In correct. Tries 3/30 Previous Tries Post Discussion

Explanation / Answer

1)Correct

2)incorrect

3)incorrect

the angle between them may be 0 deg

4)incorrect

5)correct

magnitude can be negative

6)incorrect

this will not be equal.

7)incorrect

angle between them may be 90 deg

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