In the figure, blocks A and B have weights of 47 N and 22 N, respectively. (a) Determine the minimum weight of block C to keep A from sliding if ug between A and the table is 0.21. (b) Block C suddenly is lifted off A. What is the acceleration of block A if µk between A and the table is 0.14? Frictionless, massless pulley C

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Chapter1: Units, Trigonometry. And Vectors
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**Problem Statement:**

In the figure, blocks \( A \) and \( B \) have weights of 47 N and 22 N, respectively.

**(a)** Determine the minimum weight of block \( C \) to keep \( A \) from sliding if the coefficient of static friction (\( \mu_s \)) between \( A \) and the table is 0.21.

**(b)** Block \( C \) suddenly is lifted off \( A \). What is the acceleration of block \( A \) if the coefficient of kinetic friction (\( \mu_k \)) between \( A \) and the table is 0.14?

**Diagram Description:**

The diagram depicts three blocks labeled \( A \), \( B \), and \( C \). Block \( A \) is positioned on a horizontal surface. Block \( C \) is placed on top of block \( A \). A string connects block \( A \) over a frictionless, massless pulley to block \( B \), which is hanging off the side. The system shows an arrangement for a physics problem involving friction and acceleration.

**Answer Fields:**

- (a) Number [Input Box] Units [Dropdown]
- (b) Number [Input Box] Units [Dropdown]
Transcribed Image Text:**Problem Statement:** In the figure, blocks \( A \) and \( B \) have weights of 47 N and 22 N, respectively. **(a)** Determine the minimum weight of block \( C \) to keep \( A \) from sliding if the coefficient of static friction (\( \mu_s \)) between \( A \) and the table is 0.21. **(b)** Block \( C \) suddenly is lifted off \( A \). What is the acceleration of block \( A \) if the coefficient of kinetic friction (\( \mu_k \)) between \( A \) and the table is 0.14? **Diagram Description:** The diagram depicts three blocks labeled \( A \), \( B \), and \( C \). Block \( A \) is positioned on a horizontal surface. Block \( C \) is placed on top of block \( A \). A string connects block \( A \) over a frictionless, massless pulley to block \( B \), which is hanging off the side. The system shows an arrangement for a physics problem involving friction and acceleration. **Answer Fields:** - (a) Number [Input Box] Units [Dropdown] - (b) Number [Input Box] Units [Dropdown]
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