A Very Small Round Ball Is Located near a Large

question 29

Multiple Choice

A very small round ball is located near a large solid sphere of uniform density.The force that the large sphere exerts on the ball

• A) is exactly the same as it would be if all the mass of the sphere were concentrated at the center of the sphere.
• B) is approximately the same as it would be if all the mass of the sphere were concentrated at the center of the sphere.
• C) is independent of the mass of the ball.
• D) is independent of the mass of the sphere.
• E) can only be calculated using calculus.

---

Definitions:

Total Variable Cost

The total of expenses that vary directly with the volume of production or sales, such as materials and labor.

Average Total Cost

The sum of all production expenses, both fixed and variable, divided by the total quantity of units manufactured.

Average Fixed Cost

The fixed cost per unit produced, calculated by dividing total fixed costs by the number of units produced.

Average Variable Cost

The variable cost per unit, calculated by dividing total variable costs by the quantity of units produced.