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

AI Thread Summary
The discussion centers on two scenarios involving the application of force on an object. In the first scenario, a stationary object experiences a force applied at a moving point, raising questions about the net force and work done. The second scenario involves an object moving while the force's point of application remains fixed, which affects the object's motion and work done differently. Clarification is sought on how these situations impact the net force and the concept of work. The conversation highlights the complexities of force application and its implications for motion and energy.
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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