Which of These Four Questions Arising from Modern Ideas of Force

question 182

Multiple Choice

Which of these four questions arising from modern ideas of force and matter is one of the great unanswered questions of contemporary science?

• A) Why do planets move in elliptical orbits?
• B) Why are the inertial mass (defined in Newton's second law) and the mass used in his law of gravitation identical?
• C) What is force?
• D) Why is Mercury's orbit measurably different from that predicted by Newton's laws?

Analyze the effects of changes in factor prices on the choice of production technology.

Calculate the marginal and average costs based on given cost functions.

Determine the optimal level of output to minimize costs or maximize profits.

Understand the implications of production functions on marginal and average costs.