Question

, which of the following pair of forces will never give resultant force of 2 Newton?
1=2N and 2N
2=1N and 1N
3=1N and 3N
4=1N and 3N

Answer 1

none of these
because every pair can give resultant 2N
your 3 and 4 choices are same.
so may be you made problem during writing the question.

Answer 2

Answer:

If I am not wrong, the 4th option should be 1N& 4N.

So

1) 2N &2N

Maximum resultant =2+2=4

Minimum resultant =2-2=0

The resultant should lie between

0and4 ( 2is between 0-4 )

2) 1N&1N

Maximum resultant =1+1=2

Minimum resultant =1-1=0

the resultant force will lie between

& equal to 0&2

So it is correct

3)1N&3N

Minimum re. =3-1=2

Maximum re.= 3+1=4

The resultant will lie between &equal

to 2&4.

So it correct.

4) 1N &4N

Maximum re. =4+1=5

Minimum re. =4-1=3

The resultant force will lie between.

&equal to 3&5

So it is incorrect hence it (3-5) does not include 2.

Hope,it will help you...

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