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November 01, 2025, 09:10:11 am

Author Topic: Energy or Force transformation in a pulley?  (Read 534 times)  Share 

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kenhung123

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Energy or Force transformation in a pulley?
« on: April 20, 2010, 06:58:17 pm »
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If a mass 'm' is attached to one end of a string (resting) on the table and mass 'M' is attached to the other end. The centre of the string is placed on a simple pulley and released where M>m, would you say 'm' moves up because of the weight force acting as the tensile force and thus a net force on the mass 'm' or it is due to the Ep of mass 'M' falling a distance of 'h' causing the transformation of Ep=>Ek on the car?
« Last Edit: April 20, 2010, 07:03:54 pm by kenhung123 »