Given the formula P=Tw where;
P=power
T=torque
w=angular velocity
I have 80 ft-lbs of torque @ 420 ft/min (Tw)
what is the power?
is ft/min a correct unit for angular velocity?
I came up with P=33600 but don't know what units to assign
Kirk
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angular velocity
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Our forum has been available for many years. In September 2014 we decided to switch it to read-only mode. Month after month we saw less posts with questions and answers from real people and more spam posts. We were spending more and more resources cleaning the spam until there were less them 1 legitimate message per 100 spam posts. Then we decided it's time to stop.
All the posts in the forum will be available and searchable. We understand there are a lot of useful information and we aren't going to remove anything. As for the new questions, you can always ask them on convert-me.com FaceBook page
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Re: angular velocity
by Guest » Wed Mar 25, 2009 9:18 pm
86yamvmax wrote:Given the formula P=Tw where;
P=power
T=torque
w=angular velocity
I have 80 ft-lbs of torque @ 420 ft/min (Tw)
what is the power?
is ft/min a correct unit for angular velocity?
I came up with P=33600 but don't know what units to assign
Kirk
As stated, there is insufficient information to solve. The proper units of angular velocity are radians per second. (There are 2*pi radians in 1 revolution).
What is the physical interpretation of the 420 ft/min? Is it the surface speed of a wheel, or the speed of a belt on a pulley? If you know the radius, you could determine the angular velocity.
Note that 420 ft/min is 7 ft/sec. If this linear velocity is the also the surface velocity of some wheel or pulley, then divide by the radius (in ft) to get angular velocity in rad/s.
- Guest
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