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Drawbridges that use pulleys translate the usually-downward force (on a rope or chain) into a lateral force that lifts the bridge in an arc, upward and inward simultaneously.
In roadway and train bridges, there is usually no pulley, just a counterweight that acts through a lever (a fixed support).
What else can I help you with?
Does a drawbridge use a pulley?
Yes it does.
What kind of simple machines are in a drawbridge?
A drawbridge primarily utilizes two types of simple machines: the lever and the pulley. The drawbridge itself acts as a lever, with the pivot point at the base allowing it to raise and lower. Additionally, pulleys are often used to help lift the bridge more easily by distributing the weight and reducing the amount of force needed to move it. Together, these machines enable the drawbridge to operate efficiently.
Examples of a pulley system?
There are many examples of a pulley system such as a drawbridge in a castle or a set of rock climbing gear
What is the real name of the drawbridge on a castle?
"Drawbridge" is the real name of a drawbridge.
When was Prescott Drawbridge created?
Prescott Drawbridge was created in 1922.
What is a sentence for drawbridge?
The drawbridge is being lowered now, Sire.I almost fell off of the drawbridge.
What is the name of a bridge that can be lowered or raised for the castle's protection in middle ages?
It is called the drawbridge if it can be lifted and lowered.
Where do you find the drawbridge on steamworks island on poptropica?
You might find a drawbridge in the harbour.
When was Sparkill Creek Drawbridge created?
Sparkill Creek Drawbridge was created in 1880.
When was Nagoya Port Drawbridge created?
Nagoya Port Drawbridge was created in 1926.
When was Drawbridge in Nieuw-Amsterdam created?
Drawbridge in Nieuw-Amsterdam was created in 1883.
When was Caddo Lake Drawbridge created?
Caddo Lake Drawbridge was created in 1914.
