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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.
How do you calculate velocity ratio in a pulley?
To calculate the velocity ratio in a pulley system, divide the diameter of the driving pulley by the diameter of the driven pulley. This ratio indicates how much faster or slower the driven pulley rotates compared to the driving pulley. It helps to determine the speed or force transmission in the pulley system.
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.
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.
What year was the compound pulley invented?
the pulley was invented in the 1956
When was history invented?
long ago
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 was the hairbrush invented?
long time ago!
How long ago was the euphonium invented?
1843.
When were schooners invented?
A long time ago.
Who discovered pulley?
The simple pulley was invented in ancient times by an unknown person. The compound pulley was invented by Archimedes.
