A bit of help with vector aproach to mechanics please?

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SUMMARY

The discussion focuses on the mechanics of a disk with a radius of 0.05m, positioned at a 30-degree angle to the vertical, in contact with a conveyor belt. The coefficient of kinetic friction is specified as 0.2, with no bearing friction present. Key tasks include calculating the acceleration of the center of mass and angular acceleration, drawing a free body diagram, and formulating the equations of motion to determine the angular acceleration during slipping. The urgency of the problem is emphasized, as the deadline for submission is imminent.

PREREQUISITES
  • Understanding of Newton's laws of motion
  • Familiarity with free body diagrams
  • Knowledge of angular motion concepts
  • Basic principles of friction in mechanics
NEXT STEPS
  • Calculate linear acceleration using Newton's second law
  • Learn to draw and interpret free body diagrams in mechanics
  • Study angular acceleration and its relationship with torque
  • Explore the equations of motion for rotational dynamics
USEFUL FOR

This discussion is beneficial for students studying mechanics, particularly those tackling problems involving rotational motion and friction. It is also useful for educators seeking to provide practical examples of applying theoretical concepts in physics.

foxandthehen
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The axis of a disk with radius of 0.05m is fitted into a slot that forms an angle of 30degs with the vertical axis. The disk is at rest when it is placed in contact with a convayor belt moving at contsant speed. The coefficient of kenetic friction between the disk and the belt is 0.2 and there is no bearing friction.

a) Express the acceleration of the center of mass of the body, and its angular acceleration

b) Draw a free body diagram showing the applie forces and the eqivalent force diagram showing the vectror 'ma' or its conponents and 'Ia'

c) Write the three equations of motion and use them to determin the angular acceleration of the disk while slipping occurs.

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HELP! Where should I start? Any help and advice would be very much apreciated.
 
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Has anyone got any ideas yet? I haven't shown my workings as they are all on paper and crazy wrong. Both a friend and I sat down for a few hours yesterday and tried this and another question and got nowhere and its due in for tomorrow! any ideas at all?
 
See the other thread (with pic)
 

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