![]() ![]() The concept of the frame of reference was introduced to discuss the relative motion between two bodies. Based on the observer’s frame of reference or perspective, both rest and motion are related.If both observers are not at rest or stationary with respect to each other, they get different results.If an observer is at rest or stationary to their reference frame, that observer must be in motion to another observer’s reference frame.How Rest and Motion relative?Īn object’s position relates to its state of rest and motion as follows: But the same person is at rest with respect to the moving balloon. Here, the person travelling in the balloon appears in motion with respect to you or the ground. To get more certainty on this statement, let’s take the case that you are standing on the ground and observing another person traveling in a hot air balloon. Rest and motion are relative as the body at rest with respect to another body that might be in motion with respect to other body. So now we can say the book is in motionor moves with respect to the table. So here, we can say the book is at restor stationary with respect to the table.īut when someone picked up the book and moved away from the table, the book’s position changed. The book’s position lying on the table is not changing with respect to the table itself. Or, to be more specific, the rest of the body and the state of motion is determined concerning its surroundings. The change in the body’s position depends on its surroundings. ![]() Whereas the body’s position does vary with time, we say the body is at ‘ motion’. When the body’s position does not vary with time, we say the body is at ‘rest’. Rest and Motion are relative terms explain with Examples This occurs because of their relative motion between your car and other vehicles as the observer’s position changes with time. You may have noticed the vehicles are moving slowly past you even though you know their actual velocities, those are very high. Hence, the motion of the vehicles is absoluteas the observer’s position is not changing with time.īut when you travel in a car, you watch other vehicles passing by from the car window. Here, you are the observer, and your position is not changing. ![]() Suppose you are standing at the side of the road and watching all other vehicles passing by. Explain what is Absolute and Relative Motion with Examples? Moving Vehicles: The body’s position does not vary with time. When there is no fixed point for observing the motion of the body, it is said to be relative motion.
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