### Trebuchet

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Across
2.The measure of length between two points
6.A bow-shaped curve or a segment of a circle
12.Moving or directed toward a center or axis
14.pronounced (tray-boo-shay) is a first class lever which uses the energy of a falling counterweight to make useful mechanical energy. (counterweight moves arm, which in turn, flings sling and projectile
17.The force that pulls all objects toward the center of Earth.
18.for a trebuchet or other weapon strictly designed to lay siege on a castle or fortification. Another example: battering ram
20.Used to hold the sling during the throw movement of the trebuchet
21.path of an object or moving body through space
24.long arm which rotates around the axle (fulcrum) and has the sling attached to one end and the counterweight attached to the other.
26.transfers the energy from the counterweight into the sling
27.Holds the projectile during the throw movement, is designed to give extra power to the throw
28.To determine the amount of length, volume, or mass.
29.The speed and direction of an object’s motion.
30.The patterns or directions associated with a set of data.
31.are the two main supports for the trebuchet’s axle (fulcrum), throwing arm, and counterweight.
Down
1.The distance from one side of a circle or sphere to the other passing through the center of the circle or sphere.
3.machine with few or no moving parts
4.is energy of position; stored energy; energy which becomes kinetic energy; the input force of a device.
5.is energy of motion; the output force of a device
7.The main support framework that holds up the lever arm, sling, and projectile
8.The point or support at which a lever pivots.
9.A fired, thrown, or otherwise propelled object, such as a bullet, having no capacity for self-propulsion
10.Moving or directed away from a center or axis
11.the distance a trebuchet can hurl or throw an object
13.to redesign and make different
15.A statement of relation between two quantities
16.The amount of matter in an object.
19.A weight used as a counterbalance
22.the maximum height an object being hurled or thrown reaches
23.Location in space.
25.to throw or project something forward

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