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Compound pulleys are used in a similar manner to a gearbox. You can select the ratio to suit the load and the power source. With the correct pulley combination one man can lift 10 tons from a truck onto a ship without motorised assistance.
Wiki User
∙ 14y ago
Wiki User
∙ 13y agoa see-saw
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What are types of pulleys?
There are fixed, moveable, and compound pulleys.
What modern inventions have replaced pulleys?
pulleys are actually still used in elevators, cranes, and car lifts. however, they're used with motors.
What jobs use combination pulleys?
Tree trimming uses combination pulleys. Also combination pulleys are used to lift engines out of cars to work on them. Some construction sites use them in places they cannot get a crane.
List of compound machines?
Compound machines are made up of two or more of the simple machines. These include pulleys, wedges, levers, wheels and axles, screws and gears, and inclined planes. Examples of compound machines include staplers, can openers, bicycles, and wheelbarrows.
Why is wheel so important?
it helps us move things and it can be used as pulleys and things
When two kinds of pulleys are used together what is the system called?
When two or more pulleys are used together it is called a compound pulley system.
Which compound machines have pulleys?
Elevators.
What are some pulleys?
Simple pulley. Compound pulley. The reel is composed of two or more pulleys.
What are types of pulleys?
There are fixed, moveable, and compound pulleys.
What is it called when two pulleys work together?
It is called a compound machine.
Which compound machine consists of both fixed and movable pulleys?
block and tackle
Which compound machine consists of both fixed and moveable pulleys?
A compound machine that consists of both fixed and movable pulleys is a fixed pulley. This machine changes the direction of the force on a rope or belt that moves along its circumference.
What is a youth compound bow used for?
A compound bow uses cables and pulleys to help provide more power when shooting an arrow. A youth compound bow would be one that's sized for a child or teenager, so it's made using smaller proportions.
What is used for lifting?
pulleys
What are the simple machines on a helicopter?
A screw used to move flaps, pulleys used for steering, The level - used in conjunction with pulleys to operate some of the Yoke controls, the wheel - used in moving the craft on the ground and moving inflight trollies
In what simple machine is neither force nor distance is multipled?
A simple pulley can be used just to alter the direction of the force without multiplying it (although compound pulleys can also be used to multiply force).
What are the types of pulley?
movable single multiple fixed inclined
