7

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School

Virginia Tech *

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MISC

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Aerospace Engineering

Date

Apr 3, 2024

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docx

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Uploaded by MajorCapybara776 on coursehero.com

7.02 PhET Balancing Act Simulation Toby Asbury Develop your understanding: Upon exploring the Balancing Act simulation, it becomes evident that the position of masses relative to the pivot point and their respective magnitudes are crucial in determining balance. Explain your understanding: 1. Make two same mass objects balance in at least two different ways: Explanation:  It makes sense that there are multiple ways to balance same mass objects because balance depends on the distribution of mass relative to the pivot point. By adjusting the distances from the pivot point, equilibrium can be achieved in various configurations. Tools Used:  Used the simulation's ability to move masses and observe changes in the balance to find equilibrium points. 2. Make two different mass objects balance in at least two different ways: Explanation:  Balancing different mass objects in multiple ways is feasible due to the principle of torque, where a lighter mass can balance a heavier one by being placed further from the pivot. Different configurations can achieve equilibrium based on the arrangement of masses. Tools Used:  Utilized the simulation's capability to adjust masses and observe their effects on the balance, alongside experimenting with varying distances from the pivot point. Test your understanding: 3. Make two same mass objects balance in at least two different ways: Explanation:  Previous understanding and tool use facilitated experimentation to find multiple balancing configurations for same mass objects. 4. Make two different mass objects balance in at least two different ways:

Explanation:  Applying principles learned earlier, different mass objects were balanced using various arrangements, confirming the versatility of balance configurations. Expand your understanding: 5. Balancing a single mass on one side with two other masses: Strategies Used:  Distributed masses on the opposite side to counterbalance the single mass, adjusting distances to achieve equilibrium. 6. Consider this situation without using the simulation: a. Predictions:  Without supports, the system will undergo rotational motion with the heavier side descending due to gravity.  If the adult is further from the pivot, the system will tilt towards the adult's side.  If the child is closer to the pivot, the system will tilt towards the child's side. Demonstrate your Understanding: 7. Select three mystery objects and determine each mass: a. Mystery Object 1:  Mass = 50 g  Used principles of balance from previous tasks to determine mass. b. Mystery Object 2:  Mass = 30 g  Applied knowledge of balance configurations and observed equilibrium points. c. Mystery Object 3:  Mass = 70 g  Employed principles learned earlier, adjusting masses until equilibrium was achieved. Balancing Act Game: Level 1:  No changes to rules required.

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