(1₁) A 25° W₁ = 4 16 W₁ = 6 16 W₁₂ = 8 lb We MK = 0.15 B no friction с 55° For the configuration of blocks and cord shown above, find: (a) a (mag and direc) (b), T₁ (the tension in the cord joining A and B. B) (c) T₂ (the tension in the cord joining B and c)

Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
ChapterMA: Math Assessment
Section: Chapter Questions
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### Problem Description

The diagram shows a configuration with three blocks, labeled A, B, and C, connected by cords over pulleys. The blocks are positioned on inclined planes with the following details:

- **Block A**: 
  - Weight (WA): 4 lb
  - Positioned on an incline at 25°
  - Coefficient of kinetic friction (µk): 0.15

- **Block B**: 
  - Weight (WB): 6 lb
  - Positioned horizontally

- **Block C**: 
  - Weight (WC): 8 lb
  - Positioned on an incline at 55°
  - No friction on the incline for block C

### Problem Statement

For the configuration of blocks and cords shown above, determine the following:

(a) \( a_c \) (magnitude and direction of acceleration)

(b) \( T_1 \) (the tension in the cord joining blocks A and B)

(c) \( T_2 \) (the tension in the cord joining blocks B and C) 

### Diagram Explanation

- Block A is shown on a 25° inclined plane with a friction coefficient of 0.15.
- Block B is positioned on a flat surface between the two inclined planes.
- Block C is shown on a 55° inclined plane with no friction.
- Cords pass over pulleys connecting the blocks, with tensions \( T_1 \) and \( T_2 \) in the cords as shown.

### Objective

Calculate the acceleration of block C, and the tensions in the cords that connect the blocks for the given system.
Transcribed Image Text:### Problem Description The diagram shows a configuration with three blocks, labeled A, B, and C, connected by cords over pulleys. The blocks are positioned on inclined planes with the following details: - **Block A**: - Weight (WA): 4 lb - Positioned on an incline at 25° - Coefficient of kinetic friction (µk): 0.15 - **Block B**: - Weight (WB): 6 lb - Positioned horizontally - **Block C**: - Weight (WC): 8 lb - Positioned on an incline at 55° - No friction on the incline for block C ### Problem Statement For the configuration of blocks and cords shown above, determine the following: (a) \( a_c \) (magnitude and direction of acceleration) (b) \( T_1 \) (the tension in the cord joining blocks A and B) (c) \( T_2 \) (the tension in the cord joining blocks B and C) ### Diagram Explanation - Block A is shown on a 25° inclined plane with a friction coefficient of 0.15. - Block B is positioned on a flat surface between the two inclined planes. - Block C is shown on a 55° inclined plane with no friction. - Cords pass over pulleys connecting the blocks, with tensions \( T_1 \) and \( T_2 \) in the cords as shown. ### Objective Calculate the acceleration of block C, and the tensions in the cords that connect the blocks for the given system.
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