How Does the Point of Application of a Force Affect an Object's Motion?

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SUMMARY

The discussion focuses on the effects of the point of application of a force on an object's motion. It clarifies two scenarios: one where an object remains stationary while the force's application point moves, and another where the object moves with a fixed application point of the force. In the first scenario, the net force remains zero, indicating no motion, while in the second scenario, the work done by the force is contingent upon the object's movement relative to the fixed application point. The conversation emphasizes the importance of understanding force application in physics.

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Kakashi24142
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Can someone give me examples of the following two situations and clarify each situation?
-An object is stationary but the point of application of the force moves on the object.
-An object moves in such a way that the point of application of the force remains fixed.
Moreover, what can one say about the work done by the force on the object in each case?
 
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This sure looks like a homework assignment. Is it?
 
Kakashi24142 said:
An object is stationary but the point of application of the force moves on the object.
If an object is stationary, the net force on the object is zero. At a minimum, you'd need a pair of equal but opposing forces to have a force on a stationary object, but the problem statement seems to imply there's only a single force, so it's not clear what the point of the first problem statement is.
 

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