A 10.0-kg uniform ladder that is 2.50 m long is placed against a smooth vertical wall and reaches to a height of 2.10 m, as shown in the figure. The base of the ladder rests on a rough horizontal floor whose coefficient of static friction with the ladder is 0.800. An 80.0-kg bucket of concrete is suspended from the top rung of the ladder, right next to the wall, as shown in the figure. What is the magnitude of the friction force that the floor exerts on the ladder? 
Definitions:
Questionnaire
A set of pre-designed questions used to collect data from respondents for research purposes.
Destructive Conflict
A disagreement or conflict that leads to negative outcomes, damaging relationships, or hindering progress.
Nominal Group Technique
A structured method for group brainstorming that encourages individual participation and idea generation.
Delphi Technique
A method used to reach a consensus among a panel of experts through a series of questionnaires interspersed with feedback summaries.
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