AIPMT 2008 Physics and Chemistry Paper

4N and 2N are opposite
So net =4−2=2N
Now figure becomesHorizontal component of 2N along -ve
x-direction is x1=2‌sin‌30∘=1N
Horizontal component of 1N along +ve
x-direction is x2=1‌cos‌60∘=‌

1

2

N
So, net horizontal force is ‌

1

2

N along -ve
x-direction, hence ‌

1

2

N is required in +ve x-direction