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A 40-kg uniform ladder that is 5.0 m long is placed against a smooth wall at a height of h = 4.0 m, as shown in the figure. The base of the ladder rests on a rough horizontal surface whose coefficient of static friction with the ladder is 0.40. An 80-kg bucket is suspended from the top rung of the ladder, just at the wall. What is the magnitude of the force that the ladder exerts on the wall?
2,000-Calorie
A reference daily intake level used for nutrition labeling, representing an estimated amount of calories a typical adult should consume daily to maintain their weight.
U.S. Department of Agriculture
A federal department responsible for developing and executing federal laws related to farming, forestry, rural economic development, and food.
MyPlate
An educational tool provided by the United States Department of Agriculture to guide individuals in eating a balanced diet comprising adequate proportions of different food groups.
Dietary Reference Intakes
A set of reference values used to plan and assess nutrient intakes of healthy people, including guidelines for vitamins, minerals, and other dietary components.
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