Why does a four legged table rock

If you stand facing a wall with your toes touching the wall, you cannot rais… Suppose you stand flat-footed, then you rise and balance on tiptoe. If you s… Place a heavy book on a table and the table pushes up on the book.

Why doesn… As you stand on a floor, does the floor exert an upward force against your f… Explain why more energy is needed to walk up stairs than to walk horizontall… As the upper platform of the movable staircase is raised and lowered, the he… Problem You are designing the living room of an apartment…. View Full Video Already have an account? Luca A.

Problem 47 Hard Difficulty Explain why a four-legged chair may rock from side to side even if the floor is level. Answer No; Three points define a plane, so the legs of the three-legged chair will always meet in the flat plane of the floor. View Answer. Topics Foundations for Geometry Geometry Basics. Section 1 Points, Lines, and Planes. Discussion You must be signed in to discuss. Top Geometry Educators Lily A.

Johns Hopkins University. Catherine R. Missouri State University. Kristen K. University of Michigan - Ann Arbor. Samuel H. University of Nottingham. Geometry Bootcamp Lectures October 23, Hyperbaric oxygen therapy reverses hallmarks of Alzheimer s disease and dementia September 10, Brain activity patterns after trauma may predict long-term mental health October 15, The Universe is Hostile to Computers.

But how Exactly? Why my PC does not run Windows 11? Although the newest version of the Windows operating system Windows 11 beta version Insider Preview Build has been…. Training Object Detection using SentiSight. It is encoded in our genome to always strive….

Featured Video see all. A lot of astrophysical research lately is being dedicated to explorations of gravitational force. Scientists are trying to…. But add a properly situated third leg, and you have a nice, solid foundation. Three is special in this regard. Tables with four legs can, and often do. Put more than four uneven legs on a table, and it can wobble every which way, always seeking to rest on three legs.

With all that potential for wobbling, why do most tables have four or more legs? The answer has to do with stability. News Guardian. Recent queries. Send a query. Lucky dip. Any answers? Nooks and crannies. Semantic enigmas. The body beautiful. Red tape, white lies. Speculative science. This sceptred isle.