Question

iv) Two forces 3N and 4N are acting on a body
If the angle between them is 90 then the
magnitude of the resultat force is?
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Answer 1

Answer:

5 N

Explanation:

Since angle between the forces is 90, it makes a right angled triangle and the resultant force will be given by the hypotenuse. Use Pythagoras theorem to get the answer as 5