Which of the following is an inertial reference frame?
A) The bed of an accelerating pickup truck
B) The floor of an elevator traveling upward at constant velocity
C) The seat of a Ferris wheel that is rotating at constant speed
D) The surface of an anvil that is in free fall (acceleration = g)

Question

Quizplus · Accepted Answer

An inertial reference frame is one in which Newton's first law (an object in motion stays in motion unless acted upon by a force) holds true. The floor of an elevator traveling upward at constant velocity is an inertial frame because it is not accelerating.

Which of the Following Is an Inertial Reference Frame