What is a Pulley? - Simple Machines | Science for Kids | Educational Videos by Mocomi
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13 سال پیش
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https://mocomi.com/ presents: What is a Pulley?
Pulley is a simple machine and comprises of a wheel on a fixed axle, with a groove along the edges to guide a rope or cable.
Pulleys are used to reduce the time and energy taken to lift heavy objects.
Here,
Load = the weight of an object
Effort = the amount of force required to lift or move this object.
When you put two or more wheels together, and run a rope around them, you have created a great lifting machine.
As you add more pulleys, you increase your mechanical advantage and it becomes very easy to lift the same load.
The trade-off is that as you increase the number of pulleys, you require a greater amount of rope to achieve the same result. Since you have decreased the effort needed to lift the load you have to apply the force for a longer period of time.
Understand the mechanism of the simple machine, the pulley. Understand and learn about how these machines make work a lot more easier and less time consuming with the help of this animated learning module for kids.
#WhatisAPulley #SimpleMachines #Science
To learn more about what is a pulley and how it works go to: https://mocomi.com/pulley/
For more fun learning physics videos and articles visit: https://mocomi.com/learn/science/phys...
Watch more science videos in one go here What is a Pulley? - Simple Machines |...
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Pulley is a simple machine and comprises of a wheel on a fixed axle, with a groove along the edges to guide a rope or cable.
Pulleys are used to reduce the time and energy taken to lift heavy objects.
Here,
Load = the weight of an object
Effort = the amount of force required to lift or move this object.
When you put two or more wheels together, and run a rope around them, you have created a great lifting machine.
As you add more pulleys, you increase your mechanical advantage and it becomes very easy to lift the same load.
The trade-off is that as you increase the number of pulleys, you require a greater amount of rope to achieve the same result. Since you have decreased the effort needed to lift the load you have to apply the force for a longer period of time.
Understand the mechanism of the simple machine, the pulley. Understand and learn about how these machines make work a lot more easier and less time consuming with the help of this animated learning module for kids.
#WhatisAPulley #SimpleMachines #Science
To learn more about what is a pulley and how it works go to: https://mocomi.com/pulley/
For more fun learning physics videos and articles visit: https://mocomi.com/learn/science/phys...
Watch more science videos in one go here What is a Pulley? - Simple Machines |...
Subscribe here for new and interesting content every week ► ► https://www.youtube.com/mocomikids?su...
Press Bell Icon 🔔; For Latest Updates.
Thanks for watching! Don't forget to give us a Thumbs Up 👍!
Follow Mocomi Kids - Top educational website for kids,
on Facebook Facebook: mocomikids
on Twitter Twitter: MocomiKids
on Pinterest Pinterest: mocomikids
on Instagram - Instagram: mocomikids
on LinkedIn LinkedIn: mocomi-kids
13 سال پیش
در تاریخ 1390/11/25 منتشر شده
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