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A mousetrap car is a small vehicle whose only source of motive power is a mousetrap. Variations include the use of multiple traps, or very big rat traps, for added power. Mousetrap cars are often used in physics or other physical science classes to help students build problem-solving skills, develop spatial awareness, learn to budget time, and ...
Garage Door Sectional Torsion Spring A mousetrap powered by a helical torsion spring Video of a model torsion pendulum oscillating. A torsion spring is a spring that works by twisting its end along its axis; that is, a flexible elastic object that stores mechanical energy when it is twisted.
Mousetrap made of plastic with house mouse. The trap that is credited as the first patented lethal mousetrap was a set of spring-loaded, cast-iron jaws dubbed "Royal No. 1". [1] [2] It was patented on 4 November 1879 by James M. Keep of New York, US patent 221,320. [3]
James Henry Atkinson (c. 1849–1942) was a British ironmonger from Leeds, Yorkshire who is best known for his 1899 patent of the Little Nipper mousetrap. [1] He is cited by some as the inventor of the classic spring-loaded mousetrap, [2] [3] but this basic style of mousetrap was patented a few years earlier in the United States by William Chauncey Hooker in 1894.
"Build a better mousetrap, and the world will beat a path to your door" is a metaphor about the power of innovation. It originated, in a somewhat different form, with Ralph Waldo Emerson. [1] [2] The epigram as known today, which specifies "mousetrap", probably also originated with Emerson, although the evidence for this is indirect. [3]
These values incorporate the ability of the vast majority of drivers under normal road conditions. [2] However, a keen and alert driver may have perception-reaction times well below 1 second, [11] and a modern car with computerized anti-skid brakes may have a friction coefficient of 0.9--or even far exceed 1.0 with sticky tires. [12] [13] [14 ...
Exidy, Inc. was an American developer and manufacturer of coin-operated electro-mechanical and video games which operated from 1973 to 1999. They manufactured many notable titles including Death Race (1976), Circus (1978), Star Fire (1978), Venture (1981), Mouse Trap (1981), Crossbow (1983), and Chiller (1986).
In (automotive) vehicle dynamics, slip is the relative motion between a tire and the road surface it is moving on. This slip can be generated either by the tire's rotational speed being greater or less than the free-rolling speed (usually described as percent slip), or by the tire's plane of rotation being at an angle to its direction of motion (referred to as slip angle).