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Explain why 5N + 4N does not always mean a resultant force of 9N

Sagot :

Answer:

It depends on where the arrow is showing  / direction of the resultant force.

Add for vectors in same direction, ie., 5N + 4N=9N

(arrow pointing in same direction)

Minus for different directions, ie., 5N - 4N=1N

(arrow pointing in opposite direction)

Hope this helps!

Further examples:

6N           46N

-------->   ----->

(6+4=10N)

5N            4N

<------------  ------>

(5-4=1N)

or

8N                6N

-------------->  <--------

(8-6=2N)