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In Fig, A is a 4.4-kg block and B is a 2.6-kg block. The coefficients of static and kinetic friction between A and the table are 0.18 and 0.15. (a) Determine the minimum mass of the block C that must be placed on A to keep it from sliding. (b) Block C is suddenly lifted off A. What is the acceleration of block A ?

In Fig, A is a 4.4-kg block and B is a 2.6-kg block. The coefficients of static and kinetic friction between A and the table are 0.18 and 0.15. (a) Determine the minimum mass of the block C that must be placed on A to keep it from sliding. (b) Block C is suddenly lifted off A. What is the acceleration of block A ?

Grade:11

1 Answers

Kevin Nash
askIITians Faculty 332 Points
7 years ago
234-757_1.PNG
Therefore the mass of block C is 10 kg.
234-1373_1.PNG
Therefore the acceleration of the block A is 2.7 m/s2.

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