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Who invented the compound pulley?
The compound pulley system was invented by Archimedes, an ancient Greek mathematician, around the 3rd century BC. Archimedes is also known for his contributions to geometry, physics, and engineering.
What were pulleys made out of when they were first invented?
Pulleys were first made out of wood, stone, or metal when they were first invented. These materials were used to create the wheel and the axle necessary for the pulley mechanism to function.
What is the velocity ration of a pulley?
The velocity ratio of a pulley system is the ratio of the rotational speed of the driving pulley to the driven pulley. It indicates how the speed of the driven pulley relates to the speed of the driving pulley. The formula is: Velocity Ratio = Diameter of driving pulley / Diameter of driven pulley.
Is the light bulb that Thomas Edison invented still lit to this day?
No, the original light bulb that Thomas Edison invented is not still lit today. The filament in the bulb would have burned out a long time ago. However, there are modern versions of light bulbs that are based on Edison's original design.
Greek scientist who discovered the principal of the lever and invented the double pulley and a catapult?
Archimedes is the Greek scientist who discovered the principle of the lever and invented the double pulley. He did not invent the catapult but he did improve it. He also discovered the when an object is place in fluid, the volume of the fluid that is displaced is equal to the volume of the object.
How long ago shoes were invented?
how long ago shoes were invented!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
Who invented multiplication?
Egyptians people who invented the Multiplication.Babylonians thousands of years ago.
When was history invented?
long ago
What year was the compound pulley invented?
the pulley was invented in the 1956
When was speed racer invented?
i was not invented long ago some people say but some say it was a long long time ago so there is no real awnser
How long ago were modern batteries invented?
the answer is 1800 years ago.
How long ago was longitude invented?
2000 to 3000 years ago.
When was Nestle invented?
a long time ago
When were schooners invented?
A long time ago.
When was the hairbrush invented?
long time ago!
How long ago was the euphonium invented?
1843.
Who discovered pulley?
The simple pulley was invented in ancient times by an unknown person. The compound pulley was invented by Archimedes.
