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A sled weighs 100 N. It is held in place on a frictionless 30 slope by a rope attached to a stake at the top; the rope is parallel to the slope. What is the normal force acting on the sled?
Eclectic Therapist
A therapist who employs a variety of psychological theories and techniques to create a customized approach to therapy.
Porosity
The measure of void spaces in a material, indicating the capacity to hold fluids.
Groundwater
Water that is found underground in the cracks and spaces in soil, sand, and rocks, forming aquifers.
Cement
A powdery substance made by calcining lime and clay, mixed with water to form mortar or mixed with sand, gravel, and water to make concrete.
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