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A flagpole, flagmast, flagstaff, or staff is a pole designed to support a flag. If it is taller than can be easily reached to raise the flag, a cord is used, looping around a pulley at the top of the pole with the ends tied at the bottom. The flag is fixed to one lower end of the cord, and is then raised by pulling on the other end.
The Independence Flagpole was the location where the Philippine flag was hoisted on July 4, 1946, when full independence was achieved from the United States. The flagpole was designed to be at 45.72 m (150.0 ft) high but was damaged by Typhoon Angela (Rosing) in 1995 reducing the flagpole's height to just 32 m (105 ft).
A flagpole, flagmast, flagstaff, or staff can be a simple support made of wood or metal. If it is taller than can be easily reached to raise the flag, a cord is used, looping around a pulley at the top of the pole with the ends tied at the bottom. The flag is fixed to one lower end of the cord, and is then raised by pulling on the other end.
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One simply raises the Kilo flag (see diagram at the top), or sends the Morse Code equivalent (dash-dot-dash) by flashing light; this has the assigned message of "I wish to communicate with you." One practical benefit of using the ICS is that all of the standardized messages come in nine languages (English, French, Italian, German, Japanese ...
Using additional pulleys decreases the force required but increases the distance required to raise a load the same amount. In each instance here the mechanical work done is the same, work being the product of force and distance.
A gin pole in use loading logs A gin pole used to install a weather vane atop the 200-foot steeple of a church Roof trusses being assembled with gin poles. A gin pole is a mast supported by one or more guy-wires that uses a pulley or block and tackle mounted on its upper end to lift loads. The lower end is braced or set in a shallow hole and ...
At 165 metres (541 feet), [1] it was the tallest flagpole in the world from its completion in 2011 until the 2014 erection of the 171 m (561 ft) Jeddah Flagpole. [2] [3] It is now the fifth tallest flagpole in the world. It flies a 30 m × 60 m (98 ft × 197 ft) Flag of Tajikistan weighing 700 kilograms (1,540 pounds). [4]