Which of the following is an inertial reference frame? check all that apply. check all that apply. a reference frame that is moving downward at a constant speed a reference frame that is motionless a reference frame that is moving upward at a constant speed a reference frame that is rotating at a constant speed?

Question

Kayden Booker

Physics

18 March, 09:52

Which of the following is an inertial reference frame? check all that apply. check all that apply. a reference frame that is moving downward at a constant speed a reference frame that is motionless a reference frame that is moving upward at a constant speed a reference frame that is rotating at a constant speed?

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Rory · Answer 1

An inertial reference frame is moving at constant velocity. a non inertial one is accelerating. (I think the idea of "inertia" comes from Newton's laws of motion, and is linked to the first one). The non inertial frame in the q is the rotating one. because the velocity vector is changing in direction the frame is in centripetal acceleration and is thus non inertial.