A metal bar `70 cm` long and `4.00 kg` in mass is supported on two knife
Channel: Doubtnut
Date: 2020-08-02

A metal bar `70 cm` long and `4.00 kg` in mass is supported on two knife edges placed `10 cm` from each end. A `6.00 kg` weight is suspended at `30 cm` from one end. Find the reactions at the knife edges. Assume the bar to be of uniform cross-section and homogeneous.