Center of Mass
About the Lecture
The lecture Center of Mass by Jared Rovny, PhD is from the course Force.
Included Quiz Questions
Which of these is TRUE about the center of mass?
- The mass of an object is equally distributed around its center of mass.
- The mass of an object is strongest at the center of mass.
- The center of mass is at the geometric center of an object.
- The center of mass is always located inside the object.
- The center of mass is the where most of the mass is concentrated.
Three objects of masses m₁ , m₂ and m₃ are located at points x₁ , x₂ and x₃ on the x-axis, respectively. What is the location of the center of mass?
- x꜀ = (m₁x₁ + m₂x₂ + m₃x₃) / (m₁ + m₂ + m₃)
- x꜀ = m₁x₁ + m₂x₂ + m₃x₃
- x꜀ = (x₁ + x₂ + x₃) / (m₁ + m₂ + m₃)
- x꜀ = (m₁² x₁ + m₂² x₂ + m₃² x₃) / (m₁ + m₂ + m₃)²
- x꜀ = (m₁x₁² + m₂x₂² + m₃x₃²) / (m₁x₁ + m₂x₂ + m₃x₃)
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Author of lecture Center of Mass
Jared Rovny, PhD
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