NEET (2024 Updated)-National Eligibility cum Entrance Test (Medical) Physics: Questions 1 of 5119
Question MCQ▾
A reference frame attached to the earth:
- Is an inertial frame by definition
- Cannot be an inertial frame because the earth is revolving round the sun
- Is an inertial frame because Newton՚s laws are applicable in this frame
- Cannot be an inertial frame because the earth is rotating about its own axis
Choices
Choice (4) | Response | |
---|---|---|
a. | 1 and 2 | |
b. | 1,2 and 3 | |
c. | 1 and 3 | |
d. | 2 and 4 |
Answer
d.
Explanation
For an inertial frame of reference, its acceleration should be zero. As reference frame attached to the earth i.e.. a rotating or revolving frame is accelerating, therefore, it will be non-inertial. Thus, due to both the rotation of the earth and its revolution around the Sun, earth is a non-inertial frame of reference.
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