I with a problem dealing with static friction

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SUMMARY

The problem involves a small metal cylinder with a mass of 0.20 kg placed on a rotating turntable, where the coefficient of static friction is 0.800. To find the maximum speed without skidding, one must analyze the forces acting on the cylinder using Newton's 2nd law. The maximum static friction can be calculated using the formula for static friction, which is essential for determining the maximum velocity of 1.1 m/s. Understanding the relationship between static friction and centripetal force is crucial for solving this type of problem.

PREREQUISITES
  • Understanding of Newton's 2nd law of motion
  • Knowledge of static friction and its formula
  • Concept of centripetal force in circular motion
  • Ability to apply physics equations to real-world scenarios
NEXT STEPS
  • Study the derivation of the static friction formula and its application in circular motion
  • Learn about centripetal acceleration and its relationship with velocity
  • Practice problems involving rotating systems and forces
  • Explore advanced topics in dynamics, such as angular momentum and torque
USEFUL FOR

Students preparing for physics exams, particularly those focusing on mechanics and rotational motion, as well as educators looking for practical examples of static friction in circular motion.

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Homework Statement



A small metal cylinder of mass m=0.20 kg sits on a rotating turntable. The coefficient of static friction between the metal cylinder and the turntable is us=.800. The cylinder is located 0.15m from the center of the turntable. Find the maximum speed that the cylinder can have without skidding.

Homework Equations



Not sure what equations will be needed

The Attempt at a Solution



Have no idea how to find the solution! This is on a practice test that I am working on for an upcoming physics test, but I have never seen a problem like this before. I would really appreciate a good explanation as to how to do this problem so that I will understand how to do it for the test! Thank you for all of your help!

PS: The answer to this problem is 1.1 m/s. I just need to understand how to get to this answer.
 
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Start by analyzing the forces that act on the cylinder and the kind of motion it executes as the turntable rotates. What does Newton's 2nd law tell you? Hint: The maximum value of static friction is given by what formula?
 
There is an equation that tells you the maximum static friction that the object can experience. This friction, becaues it is rotating, heads towards the center of the circle. If you know the maximum static friction and the equation that deals with forces acting towards the center of the circle, you can solve for maximum velocity.

Note that I keep on saying maximum everything. The object can be going at a slower speed and just have weaker force towards the center. If you go higher then the maximum, however, the friction force won't be able to handle to motion, and the object will shoot out tangent to circle it traces in its motion.
 

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