Question
A small coin of mass is placed on the horizontal surface of a rotating disc. The disc starts from rest and is given a constant angular acceleration The coefficient of static friction between the coin and the disc is and cofficient of kinetic friction is The coin is placed at a distance from the centre of the disc. The magnitude of the resultant force on the coin exerted by the disc just before it starts slipping on the disc is
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Question Text | A small coin of mass is placed on the horizontal surface of a rotating disc. The disc starts from rest and is given a constant angular acceleration The coefficient of static friction between the coin and the disc is and cofficient of kinetic friction is The coin is placed at a distance from the centre of the disc. The magnitude of the resultant force on the coin exerted by the disc just before it starts slipping on the disc is |
Answer Type | Video solution: 1 |
Upvotes | 150 |