Calculate the centripetal force on the end of a 122-m (radius) wind turbine blade that is rotating at 0.5 rev/s. Assume the mass is 6 kg. F₁ = Question Help: Submit Question N Read 1 Read 2
Calculate the centripetal force on the end of a 122-m (radius) wind turbine blade that is rotating at 0.5 rev/s. Assume the mass is 6 kg. F₁ = Question Help: Submit Question N Read 1 Read 2
College Physics
11th Edition
ISBN:9781305952300
Author:Raymond A. Serway, Chris Vuille
Publisher:Raymond A. Serway, Chris Vuille
Chapter1: Units, Trigonometry. And Vectors
Section: Chapter Questions
Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...
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![Title: Calculating Centripetal Force on a Wind Turbine Blade
**Problem Statement:**
Calculate the centripetal force on the end of a 122 cm (radius) wind turbine blade that is rotating at 0.5 rev/s. Assume the mass is 6 kg.
**Formula:**
The centripetal force \( F_c \) can be calculated using the formula:
\[ F_c = m \cdot \omega^2 \cdot r \]
Where:
- \( m \) is the mass of the object in kilograms.
- \( \omega \) is the angular velocity in radians per second.
- \( r \) is the radius in meters.
**Given:**
- Radius \( r = 122 \) cm \( = 1.22 \) meters
- Rotational speed = 0.5 revolutions per second
- Mass \( m = 6 \) kg
**Steps:**
1. **Convert rotational speed to angular velocity:**
\[ \omega = 2\pi \cdot \text{rotational speed} = 2\pi \cdot 0.5 \, \text{rad/s} = \pi \, \text{rad/s} \]
2. **Substitute the known values into the formula:**
\[ F_c = 6 \, \text{kg} \cdot (\pi \, \text{rad/s})^2 \cdot 1.22 \, \text{m} \]
3. **Calculate the centripetal force:**
\[ F_c = 6 \cdot \pi^2 \cdot 1.22 \]
\[ F_c \approx 6 \times 9.87 \times 1.22 \]
\[ F_c \approx 72.124 \, \text{N} \]
**Resources:**
- **Question Help:**
- [Read 1]
- [Read 2]
**Hint:**
- Additional hints can be viewed by clicking on [Hint 1].
**Action:**
- Click "Submit Question" to check your answer.](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F9b27e901-e87b-4228-8406-e843591659e6%2Fb15f0d44-f35e-4148-a3a9-e3483b29b0f4%2F7dr6plb_processed.jpeg&w=3840&q=75)
Transcribed Image Text:Title: Calculating Centripetal Force on a Wind Turbine Blade
**Problem Statement:**
Calculate the centripetal force on the end of a 122 cm (radius) wind turbine blade that is rotating at 0.5 rev/s. Assume the mass is 6 kg.
**Formula:**
The centripetal force \( F_c \) can be calculated using the formula:
\[ F_c = m \cdot \omega^2 \cdot r \]
Where:
- \( m \) is the mass of the object in kilograms.
- \( \omega \) is the angular velocity in radians per second.
- \( r \) is the radius in meters.
**Given:**
- Radius \( r = 122 \) cm \( = 1.22 \) meters
- Rotational speed = 0.5 revolutions per second
- Mass \( m = 6 \) kg
**Steps:**
1. **Convert rotational speed to angular velocity:**
\[ \omega = 2\pi \cdot \text{rotational speed} = 2\pi \cdot 0.5 \, \text{rad/s} = \pi \, \text{rad/s} \]
2. **Substitute the known values into the formula:**
\[ F_c = 6 \, \text{kg} \cdot (\pi \, \text{rad/s})^2 \cdot 1.22 \, \text{m} \]
3. **Calculate the centripetal force:**
\[ F_c = 6 \cdot \pi^2 \cdot 1.22 \]
\[ F_c \approx 6 \times 9.87 \times 1.22 \]
\[ F_c \approx 72.124 \, \text{N} \]
**Resources:**
- **Question Help:**
- [Read 1]
- [Read 2]
**Hint:**
- Additional hints can be viewed by clicking on [Hint 1].
**Action:**
- Click "Submit Question" to check your answer.
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