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प्रश्न
Distinguish between inertial and non-inertial frames of reference.
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उत्तर
| Inertial frame of reference | Non-inertial frame of reference | |
| 1. | The body moves with a constant velocity (can be zero). | The body moves with variable velocity. |
| 2. | Newton’s laws are obeyed. | Newton’s laws are not obeyed. |
| 3. | The body does not accelerate. | The body undergoes acceleration |
| 4. | In this frame, a force acting on a body is a real force. | The acceleration of the frame gives rise to a pseudo force. |
| 5. | Example: A rocket in inter-galactic space (gravity-free space between galaxies) with all its engine shut. | Example: If a car just starts its motion from rest, then during the time of acceleration the car will be in a noninertial frame of reference. |
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संबंधित प्रश्न
Answer the following question.
Are there any situations in which we cannot apply Newton’s laws of motion? Is there any alternative for it?
Let a force `vec"F"=-"F"hat"k"` acts on the origin of Cartesian frame of reference. The moment of force about a point (1, -1) will be ______.
A square frame ABCD is formed by four identical rods each of mass 'm' and length 'ℓ'. This frame is in X-Y plane such that side AB coincides with X-axis and side AD along Y-axis. The moment of inertia of the frame about X-axis is ______.
What is the fundamental purpose of using a frame of reference in physics?
In which of the following scenarios would Newton's laws of motion apply without needing to introduce pseudo-forces?
Newton's laws have limitations and do not correctly describe motion in which situation?
Which of the following scenarios represents a non-inertial frame of reference?
