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Figure shows a weight of 30kg suspended ...

Figure shows a weight of 30kg suspended at one end of cord and a weight of 70kg applied at other end of the cord passing over a pulley. Neglecting weight of rope and pulley find the tension in the cord and acceleration of the system `(g=10ms^(-2))`

A

`2 m//s^(2) , 120 N`

B

`4 m//s^(2) , 420 N`

C

`6 m//s^(2) , 180 N`

D

`4 m//s^(2) , 240 N`

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The correct Answer is:
B
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