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Medieval Times utilized pulleys and gears primarily in the construction of large buildings, such as cathedrals and castles, as well as in various machinery for agriculture and warfare. Pulleys allowed workers to lift heavy stones and materials with greater ease, while gears enabled the operation of cranes, mills, and siege engines. These mechanical systems improved efficiency and safety in construction and other labor-intensive tasks. Overall, they played a crucial role in advancing technology during the medieval period.
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How do robotic arms use gears?
they turn and make movement
Did a pascal machine make use of mechanical gears?
Yes, the Pascaline, invented by Blaise Pascal in the 17th century, utilized mechanical gears as part of its design. This early mechanical calculator employed a series of interlocking gears to perform addition and subtraction by manipulating the position of the gears based on the input numbers. The use of gears allowed for the representation and calculation of numerical values, marking a significant advancement in computing technology at the time.
What arrangment of movable and fixed pulleys would give a mechanical advantage of 3?
To achieve a mechanical advantage of 3 using pulleys, you can use a combination of fixed and movable pulleys. One common arrangement is to have one fixed pulley and one movable pulley. In this setup, the load is attached to the movable pulley, which is supported by a fixed pulley above it. The user would pull down on the rope, effectively distributing the weight of the load over three segments of rope, resulting in a mechanical advantage of 3.
What are kinds of compound machines?
Compound machines are made up of two or more simple machines working together to perform a task. Examples include a bicycle, which combines wheels (lever), gears (wheel and axle), and pedals (lever), and a wheelbarrow, which combines a wheel and axle with levers. Other examples are cranes, which use pulleys and levers, and scissors, which consist of two levers working around a pivot. These machines enhance efficiency by multiplying force or changing the direction of movement.
How do you gear down one quarter hp motor to run a 55 gallon barrel at 12 to15 RPMs what size pullys or sprockets?
Assuming the motor runs at about 3000 RPM, The speed must be reduced by factor of about 200 for 15RPM. Two sets of pulleys or gears would be best. Gears with a chain would not be good due to the high motor speed. You could get 180:1 by putting a 2" pully on the motor, and running a belt to a 30" pulley which is on a shaft along with another 2" pulley, and run that pulley to another 24" pulley. If the barrel is well-mounted and freely turns, you could use it as the second pulley, since it has a 24" approximate diameter. You can also use three sets of pulleys, making it esier to find them. example: 2" motor to 12" on shaft 1 2" on shaft 1 to 12" on shaft 2 2" on shaft 2 to a 10" or 12" one driving the barrel. Consider buying a used worm gear reduction drive to save alot of this trouble. The motor can drive it directly and they come in different ratios.
How do gears and pulleys work together?
Gears and pulleys both use rotational motion to transmit power. Gears have toothed wheels that mesh together to transfer torque, while pulleys use belts or ropes running around their circumference to transfer motion. By combining gears and pulleys in a mechanical system, you can achieve different speed and torque ratios to suit specific needs.
Why do you use pulleys and gears in your daily lives?
we use pulleys and gears in our daily lives because it would make it easier for people to do our work.We would not have to work so hard.We use pulleys to lift heavy objects.We use gears to build stuff. That's why we see gears in some of our objects.(If you look at a egg beater,you will see gears in a egg beater).
Why do people use pulleys and gears?
People use pulleys to change the direction of a force or to lift heavy objects by distributing the load across multiple ropes. Gears are used to transmit motion and power between two shafts, control speed and torque, and to change the direction of motion. Overall, pulleys and gears help make work easier by utilizing mechanical advantage.
Are fans pulleys?
Not necessarily. Some fans use belts on pulleys to transfer the rotary motion of the motor to the fan blade, while others use gears, and some are direct drive.
What fair rides have gears or pulleys?
Many fair rides utilize gears or pulleys to operate efficiently. For example, Ferris wheels often employ a system of gears that help rotate the wheel smoothly, while carousel rides use pulleys to lift and lower the seats. Additionally, roller coasters may incorporate gears in their lift hills or braking systems. These mechanisms ensure safety and enhance the overall ride experience.
How did the Egyptians use pulleys?
The Giza Pyramids were constructed using step-walking wooden four-lobe pinion-pulleys with a mechanical advantage of 2.8 (MA=2.8) This ancient pulley was unknown to the modern world until 27 August 2006. The design and operation of this pulley is nothing like any pulley known in the modern world. Google four lobe pinion pulley.
What is the difference between pulleys and gears?
Pulleys (and their cousins, sheaves) transmit power through their connection to one another by way of belts or ropes. Pulleys are often used as a lever system to gain mechanical advantage, and often one or more of them will move in a linear fashion when doing so. Gears are like pulleys or sheaves in that they also transmit power, but do so by way of being in direct contact (meshed) with each other. In either case, rotating shaft speeds can be sped up or slowed down relative to other parts of the system by varying the size of the pulley or gear. Smaller driven units will rotate faster than larger ones for a given size of driving unit.
How do pulleys and gears use forces?
Pulleys change the direction of a force, making it easier to lift heavy objects. Gears transfer rotational motion from one object to another, allowing for speed and torque to be adjusted. Both mechanisms help in transmitting forces efficiently in various mechanical systems.
What did they use for defenses in medieval times?
Castle
How did people use maracas in the medieval times?
978tu75
What did London use to be called in medieval times?
Londinium
What did the popes in Medieval times use phragmites?
they didnt!
