If the reference frame defined by a building is an inertial frame, which of the following also defines an inertial frame?
(A) A rotating restaurant on top of the building.
(B) An elevator accelerating upward.
(C) An elevator moving upward at constant speed.
(D) A mail cart being pushed around a corner.
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What this question is about
If the reference frame defined by a building is an inertial frame, which of the following also defines an inertial frame?
(A) A rotating restaurant on top of the building.
No. That is not moving at constant velocity.
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--- What this question is about
If the reference frame defined by a building is an inertial frame, which of the following also defines an inertial frame?
(B) An elevator accelerating upward.
No. That is not moving at constant velocity.
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--- What this question is about
If the reference frame defined by a building is an inertial frame, which of the following also defines an inertial frame?
(C) An elevator moving upward at constant speed.
Yes. That is moving at constant velocity.
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--- What this question is about
If the reference frame defined by a building is an inertial frame, which of the following also defines an inertial frame?
(D) A mail cart being pushed around a corner.
No. Its direction is changing so its velocity is not constant.
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--- What this question is about