Bird on a bus -- friction problem

Thread starter quark12
Start date Nov 23, 2020
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Bird Bus Friction

In summary, the "Bird on a bus" friction problem is a physics problem that involves a bird sitting on top of a bus that is travelling at a constant speed. The forces acting on the bird are its weight due to gravity, the normal force from the bus roof, and the force of friction between the bird and the roof. The coefficient of friction affects the amount of friction force acting on the bird, which can affect its movement or ability to stay on the roof. When the bus comes to a complete stop, the bird will continue to move forward due to its inertia, and may eventually come to a stop on the roof or slide off if the friction force is not strong enough. This problem relates to real-life situations involving friction, such

Nov 23, 2020

quark12

Homework Statement: i attached the problem and my solution, is my solution right? thank you

Relevant Equations: f=ma

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Nov 26, 2020

Hamiltonian

In your second part ##V_0 = 0## other than that everything looks good to me.

1. What is friction?

Friction is a force that resists motion between two surfaces that are in contact with each other. It is caused by the roughness of the surfaces and the interlocking of their microscopic bumps and ridges.

2. How does friction affect the bird on a bus?

Friction can affect the bird on a bus in several ways. It can cause the bird to slide or slip on the bus floor, making it difficult for the bird to maintain its balance. Friction can also cause the bird to use more energy to move around on the bus.

3. Can friction be reduced on a bus?

Yes, friction can be reduced on a bus by using materials that have a lower coefficient of friction, such as rubber or carpet. Additionally, lubricants can be applied to reduce friction between surfaces.

4. How does the weight of the bird affect friction on the bus?

The weight of the bird can affect friction on the bus in two ways. First, the weight of the bird increases the normal force between its feet and the bus floor, which in turn increases the friction force. Second, a heavier bird may cause more wear and tear on the bus floor, which can increase friction between the two surfaces.

5. How does the speed of the bus affect friction for the bird?

The speed of the bus can affect friction for the bird in two ways. First, at higher speeds, the air resistance on the bird may increase, making it harder for the bird to maintain its balance. Second, at higher speeds, the bird may experience more vibrations and movement on the bus, which can increase friction between its feet and the bus floor.