Two bodies of mass 3 kg and 4 kg are suspended at the ends of a mass-less string passing over a friction less pulley. The acceleration of the system is _______. [g = 9.8 ms-2]
A. 4.9 ms-2
B. 2.45 ms-2
C. 1.4 ms-2
D. 9.5 ms-2
Answer:B
Two bodies of mass 3 kg and 4 kg are suspended at the ends of a mass-less string passing over a friction less pulley. The acceleration of the system is _______. [g = 9.8 ms-2]
A. 4.9 ms-2 B. 2.45 ms-2 C. 1.4 ms-2 D. 9.5 ms-2