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A set of whippletrees or leader-bars for the two leaders of a four-horse team A whippletree , or whiffletree , [ 1 ] [ 2 ] is a mechanism to distribute force evenly through linkages . It is also referred to as an equalizer , leader bar , or double tree .
Note: The pressures for average human and horse are for standing still position. [7] A walking human will exert more than double his standing pressure. A galloping horse will exert up to 3.5 MPa (500 psi). The ground pressure for a pneumatic tire is roughly equal to its inflation pressure.
Evaluation of the horse's conformation, hoof balance, and shoeing is often a first step in treatment of lameness. A correct, balanced trim is a key component of lameness treatment and prevention. Some cases of lameness, such as angular limb deformities and navicular syndrome, are best managed with special trimming and shoeing.
The term may also refer to the horse's center of gravity. For the best performance by the horse, as well as for better balance of the rider, the rider must be positioned over the center of balance of the horse. The location of the horse's center of balance depends on a combination of speed and degree of collection.
It was also determined at that time that few horses with no chef-de-race influences in the two most stamina-laden groups, Solid and Professional, had won major races at distances of 1 + 1 ⁄ 4 miles or longer even if the horse had a sufficient Classic presence in its pedigree to keep the Dosage Index from being over 4.00 (when Affirmed won the ...
This formula was derived in 1744 by the Swiss mathematician Leonhard Euler. [2] The column will remain straight for loads less than the critical load. The critical load is the greatest load that will not cause lateral deflection (buckling). For loads greater than the critical load, the column will deflect laterally.
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Effectively, the regulation assigns animal unit equivalents of 1 for a cow (either by herself or with an unweaned calf), 0.7 for a yearling of the genus Bos, 1.5 for a bull, 1.25 for a horse, 0.2 for a sheep, 0.2 for a llama, and 0.1 for an alpaca.