Consider an object on a circular orbit around the Sun.Which of the following quantities remains unchanged throughout the orbit?
A) acceleration
B) speed
C) velocity
D) position

Question

Quizplus · Accepted Answer

According to Kepler's Second Law, a planet moves faster when it is closer to the Sun and slower when it is farther away. However, the object still maintains a constant speed around the orbit, meaning that choice B (speed) remains unchanged while the other options may change depending on the position of the object along the orbit.

Consider an Object on a Circular Orbit Around the Sun