This is the pivot point on a lever.
What is a fulcrum?
This is the object being thrown.
What is a payload?
This is the simplest type of bridge.
What is a beam bridge?
This engineer makes chocolate taste so good.
What is a food engineer?
This tower is famous because it leans.
What is the Leaning Tower of Pisa?
This is a force that resists motion.
What is friction?
In a trebuchet, this holds the object being thrown.
What is a sling?
This is similar to a beam bridge but the deck of the bridge is supported from above or below with triangular and rectangular elements.
What is a truss bridge?
This engineer designs roads, bridges, dams, and airports.
What is a civil engineer?
This tower was the entrance arch to the 1889 World's Fair.
What is the Eiffel Tower?
This is two or more gears meshed together.
What is a gear train?
In a trebuchet, this helps to throw the payload.
What is a counterweight?
This is a type of beam bridge where the beam is supported at only one place.
What is a cantilever bridge?
This engineer figures out how to improve everything.
What is an industrial engineer?
The Eiffel Tower was named after this person.
Who is Alexandre Gustave Eiffel?
This is the distance between the threads on a screw.
What is the pitch?
This is what holds the machine together and is generally the base of the machine.
What is the frame?
This bridge has two types of designs: the harp design and the fan design.
What is a cable-stayed bridge?
This engineer designs and develops technology for commercial aviation, national defense, and space exploration.
What is an aeronautical/aerospace engineer?
The Eiffel Tower is made from this material.
What is limestone and lime mortar?
In this system, pulleys can change the direction of a force and multiply the force.
What is a block and tackle system?
This type of catapult is similar to a bow and arrow.
What is a ballista?
This is the top block of an arch and it supports the weight of the whole bridge.
What is a keystone?
This engineer turns raw materials into useful products.
What is a metallurgical engineer?
This wealthy widow left sixty coins in her will to buy stones to begin the construction of the Leaning Tower of Pisa.
Who is Berta di Bernado?