Single Pulley:

• A single pulley is the simplest type. It consists of a wheel with a groove for a rope or belt to run along its circumference.
• When you apply force to one end of the rope, the pulley allows you to lift or move an object with less effort.
• Single pulleys are commonly used in systems where direction changes are needed, such as raising a flag or lifting a bucket from a well.
• Imagine a single banana (yes, we’re sticking with bananas!) hanging from a tree branch. That’s our single pulley!

Double Pulley:

• A double pulley consists of two wheels (sheaves) connected by a single rope or belt.
• The advantage of a double pulley is that it reduces the force required to lift an object even further.
• With a double pulley, you can pull down on one end of the rope, and the load will move upward.
• Picture two bananas side by side, both hanging from the same branch. That’s our double pulley!

Triple Pulley:

• A triple pulley takes it up a notch. It has three wheels (sheaves) and two sections of rope or belt.
• Triple pulleys are often used in complex lifting systems, such as cranes or block and tackle setups.
• They provide even greater mechanical advantage, making heavy lifting more manageable.
• Imagine three bananas, each hanging from its own branch, all connected by ropes. That’s our triple pulley!