Will a Massless Pulley with Friction Rotate with Unequal Masses on Either Side?

Thread starter shubham_ju
Start date Jun 10, 2017
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Friction Massless Pulley Pulley with friction Tension of string

In summary, a massless pulley with friction is a theoretical mechanical system that uses a weightless pulley to change the direction of a force, while also introducing friction. It works by redirecting forces and can be used in physics problems and real-world applications. To calculate its motion, you must consider the forces involved using Newton's laws of motion and principles of statics.

Jun 10, 2017

shubham_ju

a massless pulley with friction between its surface and the string passing over it .If string is having two unequal masses connected to it on both side of pulley then will the pulley rotate?

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Jun 10, 2017

anorlunda

Staff Emeritus

Insights Author

If this is what you mean, yes it will rotate.

1. What is a massless pulley with friction?

A massless pulley with friction is a theoretical mechanical system in which a massless pulley is used to change the direction of a force, while also introducing friction to the system. This type of pulley is often used in physics problems to simplify calculations.

2. How does a massless pulley with friction work?

A massless pulley with friction works by redirecting a force applied to one side of the pulley, while also introducing friction to the system. Friction is caused by the contact between the pulley and the supporting surface, which can affect the motion and speed of the pulley.

3. What are the characteristics of a massless pulley with friction?

The key characteristics of a massless pulley with friction are that it has no mass and is frictionless. This means that it does not add any additional weight or resistance to the system, making it easier to calculate the forces and motion involved.

4. What are the applications of a massless pulley with friction?

A massless pulley with friction is commonly used in physics problems and experiments to demonstrate principles of mechanics and motion. It can also be used in real-world applications, such as in elevators, cranes, and other mechanical systems where changing the direction of a force is necessary.

5. How do you calculate the motion of a massless pulley with friction?

To calculate the motion of a massless pulley with friction, you must consider the forces acting on the system, including the force applied to the system, the force of friction, and the weight of the objects involved. These forces can be calculated using Newton's laws of motion and the principles of statics.