2. A 20 kg block is connected to an empty 2-kg bucket by a cord running over a l

Question

2. A 20 kg block is connected to an empty 2-kg bucket by a cord running over a light frictionless pulley. The coefficient of static friction is 0.50 and the coefficient of kinetic friction is 0.20.

(i) What is the tension in the cord?

(ii) What is the friction force?

(iii) Now sand is added to the bucket until the bucket just starts to move. How much sand is added?

(iv) What is the new acceleration of the system?

2. A 20 kg block is connected to an empty 2-kg bucket by a cord running over a light frictionless pulley. The coefficient of static friction is 0.50 and the coefficient of kinetic friction is 0.20. What is the tension in the cord? What is the friction force? Now sand is added to the bucket until the bucket just starts to move. How much sand is added? What is the new acceleration of the system?

Explanation / Answer

raise the points .. i will help you..its too lengthy for 300pts

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