Solve Vector Statics Problem - Need Help Now

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The problem discussed revolves around determining the forces required to lift a roller onto tiles, with an emphasis on static equilibrium rather than dynamics. It is clarified that this is a statics question, meaning acceleration and velocity do not need to be considered. The key is to calculate the maximum opposing force at the initial stage of lifting the roller. The necessary force to overcome this opposing force is minimal, just enough to make it zero. Understanding these forces is crucial for solving the problem effectively.
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I am not able to figure out how to solve this problem. It does not seem to be a statics problem to me. At what point do we consider the equilibrium. Please Help!
 

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Yes, it is a statics question: you don't have to consider acceleration or velocity.
To lift the roller onto the tiles you only need enough force to match (plus the teeniest bit) the maximum opposing force. In general, that entails calculating the opposing force at each stage in lifting the roller onto the tiles, but I think it's pretty clear the maximum opposing force will be right at the start. So all you need to determine is the push/pull needed to make a certain force become zero... which one?
 
Thanks haruspex
 

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