30 July, 2015

Design and Technology Level 1 Pull-Back Car

Design and Technology Level 1

Pull-Back Car


The students of grade 4 learnt about Energy Conversion through this model.


The pullback car consists of a rubber band wound to its axle. When the car is pulled backwards, the rubber band is stretched. Potential energy is stored in it. When the car is released, the rubber band unwinds, and the car moves ahead. Potential Energy is converted into Kinetic Energy.

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