Questions
A grinding machine whose wheel has a radius of 1/π is rotating at 2.5 rev/sec. A tool to be shar-pened is held against the wheel with a force of 40N. If the coefficient of friction between the tool and wheel is 0.2, power required is
detailed solution
Correct option is A
P=τω=μrFω=1π×0.2×40×2π×2.5=40WTalk to our academic expert!
Similar Questions
Angular velocity of a body at an instant of time is . A constant torque of is applied on it . Then power input to the body is
799 666 8865
support@infinitylearn.com
6th Floor, NCC Building, Durgamma Cheruvu Road, Vittal Rao Nagar, HITEC City, Hyderabad, Telangana 500081.
free study material
JEE Mock Tests
JEE study guide
JEE Revision Notes
JEE Important Questions
JEE Sample Papers
JEE Previous Year's Papers
NEET previous year’s papers
NEET important questions
NEET sample papers
NEET revision notes
NEET study guide
NEET mock tests
