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Motion in A Plane question

2001 · Q150
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Motion in A Plane question

2001 · Q150

NEETPhysicsMotion in A PlaneMCQ+4 / −1
If ∣A→+B→∣=∣A→∣+∣B→∣\left| {\overrightarrow A + \overrightarrow B } \right| = \left| {\overrightarrow A } \right| + \left| {\overrightarrow B } \right|​A+B​=​A​+​B​ then angle between A and B will be
  1. A
    90o
  2. B
    120o
  3. C
    0o
  4. D
    60o.
View written solutionFree

Correct answer: C

∣A→+B→∣=∣A→∣+∣B→∣\left| {\overrightarrow A + \overrightarrow B } \right| = \left| {\overrightarrow A } \right| + \left| {\overrightarrow B } \right|​A+B​=​A​+​B​ if A→∥B→\overrightarrow A \parallel \overrightarrow B A∥B. ∴\therefore∴ θ\theta θ = 0o

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