railway RRB Technician Grade 1 Mock Test 2024 Physics Work Power and Energy Power

A belt is wrapped over the roller having diameter 200 mm. The rotational speed of the roller is 500 rpm. The Force of 150 N is acted on the belt. Calculate the required power.

1

785 kW

2

785 W

3

1570 kW

4

1570 W

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