Questions
A grinding machine whose wheel has a radius of is rotating at 2.5 rev/sec. A tool to be sharpened is held against the wheel with a force of 40N. If the coefficient of friction between the tool and the wheel is 0.2, power required is
detailed solution
Correct option is A
p=τω=fRω=μFRωTalk to our academic expert!
Similar Questions
The heart of a man pumps 5 litres of blood through the arteries per minute at a pressure of 150 mm of mercury. If the density of mercury be then the power of heart in watt is:
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