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the physics of catapults

Sandra Esparza

Entry posted by Sandra Esparza

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blog-0333110001383660942.jpgthe force of the spring is caused by the force you put on it by pulling the armbar down. the spring creates tencion and when you let go of the armbar, it swings upwards the armbar is stopped by the cross bar but the ball has no force to make it stop causeing it to continue to move.
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