Q 1 :    

 A 1 kg mass is suspended from the ceiling by a rope of length 4 m. A horizontal force 'F' is applied at the midpoint of the rope so that the rope makes an angle of 45° with respect to the vertical axis as shown in the figure. The magnitude of F is:         [2024]

• $\frac{10}{\sqrt{2}}N$

   

• 1 N

   

• $\frac{1}{10\times \sqrt{2}}N$

   

• 10 N