Windsor Forest High School - BIOLOGY 222AtwoodMachineSE GIZMO
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Student Exploration: Atwood Machine Vocabulary: acceleration, Atwood machine, Newton’s second law, pulley, tension, weight Prior Knowledge Question (Do this BEFORE using the Gizmo.) Tarzan is s... tanding on a tree branch, high above the forest floor, and he wants to get down to the ground. Jane is standing on the ground and wants to get onto Tarzan’s branch. Tarzan holds a vine that reaches to the ground. How could Jane get to the branch at the same time that Tarzan travels to the ground? Tarzan would have to jump down first, so his impact on the ground and his force will cause Jane to go up Gizmo Warm-up Tarzan could tie the vine to the branch and then slide down after Jane climbed up. But there may be an even easier way—what if Tarzan jumped over the branch while holding the vine, pulling Jane up as he came down? A similar scenario is shown in the Atwood Machine Gizmo. An Atwood machine has two masses connected by a rope that passes over a pulley. As one mass moves down, the other will be pulled up. To begin, check that Mass A is 2.0 kg and Mass B is 3.0 kg. 1. Which mass do you think will move down? Mass B Which mass do you think will move up? Mass A 2018 2. Click Play ( ). What happens? Mass A goes down Mass B goes up 3. What is the force that pulls mass B downward? gravity [Show More]
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