結果 : what are the 3 main types of catapults
1:25

Catapults, trebuchet, onager, mangonel, ballista

veproject1
123,024 回視聴 - 11 年前
1:28

Design a Catapult

TeachEngineering
127,751 回視聴 - 6 年前
3:28

All About Catapults | History of Castles for Kids | Hands-On Education

Hands-On Education
4,621 回視聴 - 2 年前
9:22

Medieval Engineering | How Trebuchets Work

Art of Engineering
355,860 回視聴 - 3 年前
2:35

Catapult - Introduction

STIIX
22,265 回視聴 - 3 年前
11:42

The TRUTH about medieval CATAPULTS

Shadiversity
524,485 回視聴 - 6 年前
2:45

Mangonel Siege Artillery - Battle Castle with Dan Snow

Discovery UK
515,189 回視聴 - 11 年前
2:31

How to Build a Trebuchet | MythBusters

Science Channel
1,672,183 回視聴 - 8 年前
2:51

2 catapults out of popsicle sticks

Puzzle Experiment
2,893,007 回視聴 - 8 年前

-
7:15

3. Catapult and its working

Department of Physics St. Xaviers College, Mumbai
29 回視聴 - 2 年前
2:31

catapults (short)

macGabriel100
131 回視聴 - 5 年前
3:47

The Physics of "Punkin Chunkin"

SciShow
405,136 回視聴 - 11 年前
2:04

Giant Hybrid Torsion Catapult

AlphaGinger113
497,346 回視聴 - 14 年前
2:24

Unleashing a Medieval Trebuchet on a Wooden Palisade

Smithsonian Channel
2,694,642 回視聴 - 4 年前
1:03

Types of Catapults @ RIT 2012

John Doe
954 回視聴 - 11 年前
8:05

Accurate Catapult With Popsicle Sticks

Physics Burns
178,309 回視聴 - 1 年前
0:50

How To Build A Catapult For School Project

Greg J
273,090 回視聴 - 11 年前
10:02

Reviewing Top 10 Popsicle Catapults

Physics Burns
38,491 回視聴 - 2 年前
2:35

Building catapults

UMD Swenson College of Science & Engineering
66 回視聴 - 3 年前
10:09

Catapult

all the knowledge of the universe PRINCIPIA
253 回視聴 - 2 年前