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UNIT CONVERSIONS AND CTOR-LABEL METHOD Name k.other method of going from one unlt to another Involves multiplying by a conversion factor. A conversion factor Is a fraction that Is equal to the number 1. For example, 60 seconds 1 hour. Therefore, 60 sec/ 1 hr or I hr/60 sec = 1.
How to solve unit conversions using Dimensional Analysis (Factor Label Method) 1. Write the number with unit that is given in the problem 55mm. 2. Write a multiplication symbol and a fraction line 55mm x ----------. 3. Write the same unit as the number given in the denominator spot 55mm x -----------. mm.
Use the Factor-label method (or dimensional analysis) to convert between the following units. Remember to use unit equalities as conversion fractions to cancel out variables until ending with the desired new variable(s).
Use dimensional analysis (the “factor-label” method) to solve the following problems. Show all steps needed to convert from starting units to ending units. Indicate all relationships needed before setting up and solving the problem. Use any of the following relationships if needed: 1 mile = 1760 yds 16 oz = 1 lb 1 L = 1.057 qts 1 day = 24 hours
25.3 1 1 60 min 24 7 5.62 10 min 10 454 1 1 1 g g lbs hour day lbs g g hour day week week P P u u u u u u IV. 100. pounds / inch2 = ? kilograms / cm2 2 2 2 3 2 100 454 1 1 7.04 1 10 2.54 lbs g kg in kg in lbs g cmcm u u u Solve the following using the Factor-Label Method. Show complete setup and ALL units !!! 500. cm = ? m 2) 1.00 x 104 mL ...
Units can actually help in setting up and solving many problems by using a method called dimensional analysis (also called the factor-label method). In dimensional analysis, a problem is typically viewed as a conversion of a given value in given units into a new value in certain desired units.
This worksheet is intended to be used as a first assignment when teaching how to use the Factor Label Method (Dimensional Analysis) of unit conversions. Problems are basic to challenging. Answer key is included.
