Stress is defined as a force exerted on an area. Weight is an example of a force. Describe how the stress of a person's weight on the ground surface is different if that person is wearing flat-soled shoes, high heels, or snow shoes
What will be an ideal response?
If the same weight is applied over a larger surface area, then the stress decreases because that same force is spread out over a larger area. So, this means that stress is highest if you wear high heels (smallest surface area of contact of your foot with the floor), and the least amount of stress if you are wearing snow shoes (the largest surface area).
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In the State Plane Coordinate System, the rationale for dividing states into long, narrow zones is to
A) keep major highways in the same zone. B) put as many as possible of the state's cities in the same zone while keeping rural areas in different zones. C) ensure that each zone falls into one and only one time zone. D) minimize the distortion in drawing maps of the area.
Corals can photosynthesize and, therefore, provide their own nutrients
Indicate whether the statement is true or false
In general, the healthiest soil texture for plants is one in which
A. clay dominates, sands are next highest in concentration, and silt has the smallest concentration. B. there is a relatively even percentage of sand, silt, and clay. C. sand dominates, silts are next highest in concentration, and clay has the smallest concentration. D. sand dominates, clays are next highest in concentration, and silt has the smallest concentration.
________ is a supermassive black hole sitting in the galactic center of the Milky Way
A) Messier 31 B) Centaurus A C) The Orion Spur D) Sagittarius A*