A Planet Is Orbiting a Star

question 35

Multiple Choice

A planet is orbiting a star. Which of the following statements is true for the acceleration and gravitational forces experienced by the star and the planet?

• A) The acceleration of the planet is much more than the acceleration of the star, but the force on the star is the same but opposite the force on the planet.
• B) The force on the star is much smaller than the force on the planet, but the accelerations are about equal.
• C) The acceleration of the planet is much more than the acceleration of the star, and the force on the planet is much more than the force on the star.

---

Definitions:

Phospholipids

A type of lipid molecule that forms the main structure of cell membranes, composed of two fatty acids, a phosphate group, and a glycerol molecule.

Plasma Membrane

The lipid bilayer that encloses the cytoplasm of a cell, regulating the passage of substances in and out of the cell.

Protein Synthesis

A cellular process involving the assembly of amino acids into proteins based on the sequence of nucleotides in messenger RNA.

Photosynthesis

The process by which green plants and some other organisms use sunlight to synthesize foods from carbon dioxide and water.