Question

7. (B) velocity of boy ative to plane after 4 s is 3 m/s. (A) mg 8. The pulleys and strings shown in the figure are smooth and of negligible mass. For the system to remain in equilibrium, the angle \(\theta\) should be : (A) 0° \(\sqrt{2}M\) M M (B) 30° (C) 45° (D) 60° 9. A block of metal weighing 2 kg is resting on a frictionless plane. It is steak bua ist of water at a rate

          7.
(B) velocity of boy ative to plane after 4 s is 3 m/s.
(A) mg
8.
The pulleys and strings shown in the figure are smooth and of negligible mass. For the system to
remain in equilibrium, the angle \(\theta\) should be :
(A) 0°
\(\sqrt{2}M\)
M
M
(B) 30°
(C) 45°
(D) 60°
9.
A block of metal weighing 2 kg is resting on a frictionless plane. It is steak bua ist of water at a rate