Need Help with Bonus Physics Project on Yo-Yo

In summary, the purpose of a Yo-Yo in physics is to showcase rotational motion principles such as angular momentum, torque, and centripetal force. The mass of a Yo-Yo affects its performance by impacting its rotational inertia and potential energy. The length of time a Yo-Yo stays spinning is influenced by initial force, friction, surface, and design. A fixed axle Yo-Yo has a simple, non-moving axle that creates more friction, while a ball bearing Yo-Yo has a bearing that reduces friction for longer and smoother spins. Finally, a Yo-Yo can demonstrate the concept of conservation of energy by converting potential energy into kinetic energy and showcasing energy transfer between the two.
  • #1
Mr. Snookums
20
0
So I have a project due Monday on the yo-yo. It is a bonus project.

I just need to know what the linear momentum equation is for accelerating objects. And does anyone know of a *simplified* version of the angular momentum equation, like something out of Physics 12?

Any help is appreciated
 
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  • #2
Just apply Newton's second law both in normal (F=ma) and angular form (I*alpha=tau), where I is inertia of rotation, tau is torque and alpha is the tangential angular acceleration.

marlon
 
  • #3


Sure, I can definitely help with your bonus physics project on the yo-yo. The linear momentum equation for accelerating objects is p = mv, where p is the momentum, m is the mass, and v is the velocity. This equation states that the momentum of an object is equal to its mass multiplied by its velocity.

As for a simplified version of the angular momentum equation, I would recommend using L = Iω, where L is the angular momentum, I is the moment of inertia, and ω is the angular velocity. This equation is commonly used in Physics 12 and is a simplified version of the full angular momentum equation, which includes the radius of rotation.

I hope this helps with your project. If you have any further questions or need clarification, please don't hesitate to ask. Good luck with your project!
 

FAQ: Need Help with Bonus Physics Project on Yo-Yo

What is the purpose of a Yo-Yo in physics?

The purpose of a Yo-Yo in physics is to demonstrate and illustrate the principles of rotational motion, including concepts such as angular momentum, torque, and centripetal force.

How does the mass of a Yo-Yo affect its performance?

The mass of a Yo-Yo affects its performance in several ways. A heavier Yo-Yo will have more rotational inertia, making it more difficult to change its motion. However, a heavier Yo-Yo will also have more potential energy when lifted, resulting in a longer and smoother spin.

What factors affect the length of time a Yo-Yo stays spinning?

The length of time a Yo-Yo stays spinning is affected by several factors, including the initial force used to throw the Yo-Yo, the amount of friction present in the axle, and the surface on which the Yo-Yo is spinning. Additionally, the Yo-Yo's design, such as its shape and weight distribution, can also impact the spin time.

What is the difference between a fixed axle and a ball bearing Yo-Yo?

A fixed axle Yo-Yo has a simple, non-moving axle that the string wraps around. This can create more friction and require more force to keep the Yo-Yo spinning. A ball bearing Yo-Yo has a small bearing inside the axle that reduces friction, allowing for longer and smoother spins with less force.

How can a Yo-Yo demonstrate the concept of conservation of energy?

The Yo-Yo can demonstrate the concept of conservation of energy as it converts potential energy (when lifted) into kinetic energy (when spinning). The Yo-Yo also demonstrates the transfer of energy between potential and kinetic as it goes up and down, and eventually comes to a stop due to energy loss from friction.

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