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I encountered this question during my revision and can't remember how I got it correct.

"A force of 3.0N and a force of 4.0N act on an object at the same time. Which of the forces cannot be the resultant force on the object?"

There are 4 options (0.5N, 3.5N, 4.0N, 5.0N)

I chose 4.0N but the correct answer is 0.5N.

Can someone explain why my answer is wrong and why 0.5N is correct? Thanks in advance.

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# Resultant force on object

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