I've made a MathCad template and the answer is correct when I don't include units, but when I include units the answer is incorrect. Also the units that get returned are not what they are supposed to be.
Solved! Go to Solution.
Without seeing what you're doing, we can only guess.
If you have an emperical equation with a "constant" in it (old engineering Handbooks were great at this) there's a chance that that constant is really a unit conversion factor. Since Mathcad is "unit aware," it will translate units for you, so to calculate power (in watts, kilowatts, or horsepower, or any other unit of your choice) you multiply torque times angular velocity, and Mathcad takes care of the unit conversion for you. (No P = T w/5252 because T is ft lbf and w is rpm.)
The other possibilities include:
If you zip your file, you can attach it. That gives the rest of the world a chance. . .
The units should be cal/cm^2. I don't understand either why it is giving the wrong answer with units and the right answer without.
The correct answer should be 21.096 cal/cm^2