Physics-
General
Easy

Question

Figure shows three vectors stack a with rightwards arrow on top comma stack b with rightwards arrow on top and stack c with rightwards arrow on top, where R is the midpoint of PQ. Then which of the following relations is correct?

  1. stack a with rightwards arrow on top plus stack b with rightwards arrow on top equals 2 stack c with rightwards arrow on top    
  2. stack a with rightwards arrow on top plus stack b with rightwards arrow on top equals stack c with rightwards arrow on top    
  3. stack a with rightwards arrow on top minus stack b with rightwards arrow on top equals 2 stack c with rightwards arrow on top    
  4. stack a with rightwards arrow on top minus stack b with rightwards arrow on top equals stack c with rightwards arrow on top    

The correct answer is: stack a with rightwards arrow on top plus stack b with rightwards arrow on top equals 2 stack c with rightwards arrow on top

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