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The Answer: diagram C

The diagram that shows the resultant of two forces P and Q on an object  represented by vector lines is;

Option C

We are told that the forces P and Q act on an object.

Now since they act on an object, it means the point of the object will be where both P and Q meet each other.

  • Now, this vector in question is a 2D vector and not a linear one where we just add or subtract the vectors. In this 2D vector diagram with the directions of both vectors, the resultant will be between the vectors P and Q but its' direction will be pointing outwards.

Looking at the given options, we see that the only one that fits our definition above about the resultant of 2D vector lines is Option C.

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