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    kmhjmr02's Avatar
    kmhjmr02 Posts: 2, Reputation: 1
    New Member
    		  
    #1

    Oct 29, 2007, 01:57 PM
    Finding mass in Frictional force problems
    I need to understand how to find the mass when I am working on a frictional force problem. I am given the mass of a previous trial and I know gravity and the static or kinetic friction but I am trying to find the mass of the object in trial two... how would I go about doing this? :confused:
    terryg752's Avatar
    terryg752 Posts: 197, Reputation: 4
    Junior Member
    		  
    #2

    Oct 29, 2007, 03:59 PM
    You need to give more details.

    Why not write all the given facts?
    kmhjmr02's Avatar
    kmhjmr02 Posts: 2, Reputation: 1
    New Member
    		  
    #3

    Oct 29, 2007, 08:40 PM
    I don't have facts he doesn't give us practice problems all we have is quizzes and I don't have any idea what any of the numbers are I just know the concept but don't understand it... thanks for trying I figured I wouldn't get an answer since I don't have a specific question... thanks for trying
    terryg752's Avatar
    terryg752 Posts: 197, Reputation: 4
    Junior Member
    		  
    #4

    Oct 29, 2007, 08:43 PM
    If we are talking about the same object, then mass remains the same in the 2 trials!

    And if we are talking about a different object, we cannot find mass without some more information!
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