Suppose you use an ideal pulley of the type shown in image (a) in the figure below to support a car engine of mass 135 kg.

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**Mechanics and Pulleys: Lifting a Car Engine**

Suppose you use an ideal pulley of the type shown in image (a) in the figure below to support a car engine of mass 135 kg.

### Diagrams:

1. **Diagram (a):**
   - Shows an ideal pulley system with Mechanical Advantage (MA) = 2.
   - The pulley configuration consists of two sections of rope supporting the load.
   - T represents the tension in each part of the rope.
   - W represents the weight of the load.

2. **Diagram (b):**
   - Shows an ideal pulley system with Mechanical Advantage (MA) = 3 .
   - The pulley configuration consists of three sections of rope supporting the load.
   - T represents the tension in each part of the rope.
   - W represents the weight of the load.

3. **Diagram (c):**
   - Shows an ideal pulley system with Mechanical Advantage (MA) = 4.
   - The pulley configuration consists of four sections of rope supporting the load.
   - T represents the tension in each part of the rope.
   - W represents the weight of the load.

### Questions:

(a) **What would be the tension in newtons in the rope?**

\[ \boxed{\hspace{5cm} \text{N}} \]

(b) **What force in newtons must the ceiling supply, assuming you pull straight down on the rope? Neglect the pulley system's mass.**

\[ \boxed{\hspace{5cm} \text{N}} \]
Transcribed Image Text:**Mechanics and Pulleys: Lifting a Car Engine** Suppose you use an ideal pulley of the type shown in image (a) in the figure below to support a car engine of mass 135 kg. ### Diagrams: 1. **Diagram (a):** - Shows an ideal pulley system with Mechanical Advantage (MA) = 2. - The pulley configuration consists of two sections of rope supporting the load. - T represents the tension in each part of the rope. - W represents the weight of the load. 2. **Diagram (b):** - Shows an ideal pulley system with Mechanical Advantage (MA) = 3 . - The pulley configuration consists of three sections of rope supporting the load. - T represents the tension in each part of the rope. - W represents the weight of the load. 3. **Diagram (c):** - Shows an ideal pulley system with Mechanical Advantage (MA) = 4. - The pulley configuration consists of four sections of rope supporting the load. - T represents the tension in each part of the rope. - W represents the weight of the load. ### Questions: (a) **What would be the tension in newtons in the rope?** \[ \boxed{\hspace{5cm} \text{N}} \] (b) **What force in newtons must the ceiling supply, assuming you pull straight down on the rope? Neglect the pulley system's mass.** \[ \boxed{\hspace{5cm} \text{N}} \]
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