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A steel bar AB of mass 10 kg and length ...

A steel bar AB of mass 10 kg and length 1 m is kept horizontal by supporting it at the two ends. Two weights of 4 kg and 6 kg are suspended from points of the bar at distances 30 cm and 80 cm respectively from the end A. The reaction at the end A is

A

107.8 N

B

97.8 N

C

88.2 N

D

78.2 N

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