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Center of Mass

Center of Mass Quiz

15 Questions Published
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Questions

Question 1 Multiple Choice (Single Answer)

What is the center of mass of a system of particles?

  1. The point at which the total mass of the system is concentrated
  2. The point at which the total force acting on the system is zero
  3. The point at which the total momentum of the system is zero
  4. The point at which the total angular momentum of the system is zero
Question 2 Multiple Choice (Single Answer)

What is the relationship between the center of mass and the center of gravity?

  1. The center of mass and the center of gravity are the same point
  2. The center of mass is always above the center of gravity
  3. The center of mass is always below the center of gravity
  4. The center of mass and the center of gravity are not related
Question 3 Multiple Choice (Single Answer)

How do you find the center of mass of a system of particles?

  1. Add up the masses of all the particles and divide by the number of particles
  2. Find the point at which the total force acting on the system is zero
  3. Find the point at which the total momentum of the system is zero
  4. Find the point at which the total angular momentum of the system is zero
Question 4 Multiple Choice (Single Answer)

What is the center of mass of a uniform rod?

  1. The midpoint of the rod
  2. One-third of the way from one end of the rod to the other
  3. Two-thirds of the way from one end of the rod to the other
  4. The end of the rod
Question 5 Multiple Choice (Single Answer)

What is the center of mass of a sphere?

  1. The center of the sphere
  2. The surface of the sphere
  3. The midpoint of a diameter of the sphere
  4. The edge of the sphere
Question 6 Multiple Choice (Single Answer)

What is the center of mass of a hollow sphere?

  1. The center of the sphere
  2. The surface of the sphere
  3. The midpoint of a diameter of the sphere
  4. The edge of the sphere
Question 7 Multiple Choice (Single Answer)

What is the center of mass of a rectangular prism?

  1. The center of the prism
  2. The midpoint of a diagonal of the prism
  3. The midpoint of an edge of the prism
  4. The corner of the prism
Question 8 Multiple Choice (Single Answer)

What is the center of mass of a triangular prism?

  1. The center of the prism
  2. The midpoint of a diagonal of the prism
  3. The midpoint of an edge of the prism
  4. The corner of the prism
Question 9 Multiple Choice (Single Answer)

What is the center of mass of a cylinder?

  1. The center of the cylinder
  2. The midpoint of a diameter of the cylinder
  3. The midpoint of an edge of the cylinder
  4. The edge of the cylinder
Question 10 Multiple Choice (Single Answer)

What is the center of mass of a cone?

  1. The center of the cone
  2. The midpoint of a diameter of the cone
  3. The midpoint of an edge of the cone
  4. The vertex of the cone
Question 11 Multiple Choice (Single Answer)

What is the center of mass of a hemisphere?

  1. The center of the hemisphere
  2. The surface of the hemisphere
  3. The midpoint of a diameter of the hemisphere
  4. The edge of the hemisphere
Question 12 Multiple Choice (Single Answer)

What is the center of mass of a quarter-circle?

  1. The center of the quarter-circle
  2. The surface of the quarter-circle
  3. The midpoint of a diameter of the quarter-circle
  4. The edge of the quarter-circle
Question 13 Multiple Choice (Single Answer)

What is the center of mass of a semi-circle?

  1. The center of the semi-circle
  2. The surface of the semi-circle
  3. The midpoint of a diameter of the semi-circle
  4. The edge of the semi-circle
Question 14 Multiple Choice (Single Answer)

What is the center of mass of a triangle?

  1. The center of the triangle
  2. The midpoint of a side of the triangle
  3. The intersection of the medians of the triangle
  4. The vertex of the triangle
Question 15 Multiple Choice (Single Answer)

What is the center of mass of a trapezoid?

  1. The center of the trapezoid
  2. The midpoint of a side of the trapezoid
  3. The intersection of the diagonals of the trapezoid
  4. The vertex of the trapezoid
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