1.

A roller of radius 1 m is on horizontal floor in contact with the edge of a step of height 20 cm. A horizontal force 2940 N is applied on the roller passing through its center by which the roller is just ready to turn on to the step. The mass of the roller is

Answer»

A roller of radius 1 m is on horizontal floor in contact with the edge of a step of height 20 cm. A horizontal force 2940 N is applied on the roller passing through its center by which the roller is just ready to turn on to the step. The mass of the roller is




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