Question

which pair of the following forces has a resultant of 2N?
a)1N and 1N
b)1N and 2N
c)1N and 3N
d)2N and 2N
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Answer 1

Answer:

Option D is the correct answer.

Explanation:

ANSWER

The triplet (1N.4N2N) can't form a triangle since 2+1<4 the triangle inequality sates that the sum of any two sides in a triangle must be greater than the third side  

So, the (1N,4N) vector pair can't form a 2N resultant vector.

Hence , Option D is the correct answer.

solution

Answer 2

Answer:

a) and c), both can be the answer.

In the case of a),

If the forces act in the same directions, then the forces will be added and the resultant force will 2N.

In the case of c),

If the forces act in opposite directions, then the forces will be subtracted and the resultant force will be 2N.

Hope it helps.

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