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Unformatted text preview: moving objects appear to be deflected to the right in the northern hemisphere and to the left in the southern hemisphere. This is called the coriolis effect after Gustave-Gaspard Coriolis (lived 1792--1843 C.E.) who deduced the effect in 1835 to explain why cannonballs shot long distances kept missing their target if the cannon was aimed directly at its target. See energy flow section for applications (and illustrations) of the coriolis effect to planet atmospheres. Jean-Bernard-Lon Foucault (lived 1819--1868) gave the first laboratory demonstration of the Earth's spin in 1851. A large mass suspended from a long wire mounted so that its perpendicular plane of swing is not confined to a particular direction, will rotate in relation to the Earth's surface. The only forces acting on the ball are gravity and the wire tension and they lie in the plane of oscillation....
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- Fall '10