A light truck with manual transmission has a circular brake drum with a diameter of d = 310 millimeters. Each brake pad, which presses against the drum, is s = 303 millimeters long. What central angle is subtended by one of the brake pads? Write your answer in both radians and degrees.
A light truck with manual transmission has a circular brake drum with a diameter of d = 310 millimeters. Each brake pad, which presses against the drum, is s = 303 millimeters long. What central angle is subtended by one of the brake pads? Write your answer in both radians and degrees.
A light truck with manual transmission has a circular brake drum with a diameter of d = 310 millimeters. Each brake pad, which presses against the drum, is s = 303 millimeters long. What central angle is subtended by one of the brake pads? Write your answer in both radians and degrees.
A light truck with manual transmission has a circular brake drum with a diameter of d = 310 millimeters. Each brake pad, which presses against the drum, is s = 303 millimeters long. What central angle is subtended by one of the brake pads? Write your answer in both radians and degrees.
Transcribed Image Text:The image shows a detailed view of a drum brake assembly. Key components and measurements are illustrated:
1. **Brake Drum**:
- Circular component housing the brake shoes.
- The outer perimeter of the internal area is marked in red.
2. **Diameter (labeled "d")**:
- Represents the overall diameter of the drum brake.
- This is a crucial dimension for fitting and performance specifications.
- Indicated by a red line with double arrows on each end.
3. **Brake Shoe**:
- Curved components inside the drum.
- Press outward against the drum to create friction and slow down the vehicle.
4. **Brake Shoe Radius (labeled "s")**:
- The line from the center of the drum to the outer edge of the brake shoe.
- This radius is crucial for calculating the area where the shoe contacts the drum, affecting braking efficiency.
- Marked with a red line.
5. **Springs and Adjusters**:
- Various black-colored circular and linear components inside the drum.
- Responsible for retracting the brake shoes when they are not in use and maintaining the correct distance from the drum.
Understanding these components and measurements is essential for mechanical and automotive engineering students to comprehend drum brake mechanics.
Figure in plane geometry formed by two rays or lines that share a common endpoint, called the vertex. The angle is measured in degrees using a protractor. The different types of angles are acute, obtuse, right, straight, and reflex.
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