Design and Technology Level 2 (Grade 5)
TREBUCHET
Students of grade 5 made a model of Trebuchet. Trebuchet was a dominant siege weapon in Europe from 850 A.D. to 1350 A.D.
Principle of Energy Conversion was explained to the students. When the counterweight is raised, the potential energy increases. When this weight falls down, this potential energy is converted into kinetic energy and the projectile is propelled forward. A Catapult or a Roller Coaster works like a Trebuchet.
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