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Which of these correctly describes the work done on a book when a person lifts it vertically, at a constant speed?

A. Negative work was done on the book because the book was displaced in the direction opposite to which the force was applied.
B. Work was done on the book because the book displaced in the direction a force was applied.
C. Work was not done on the book because it moved at constant velocity and so there was no net force acting on the book.
D. Work was not done on the book because it exerted as much force on the person lifting the book as the person exerted on it.

Respuesta :

Answer:

B. Work was done on the book because the book displaced in the direction a force was applied.

The part that correctly describes the work done on a book when a person lifts it vertically, at a constant speed is :

B. Work was done on the book because the book displaced in the direction a force was applied.

"Lifting a Book"

The part that correctly describes the work done on a book when a person lifts it vertically, at a constant speed is that the Work was done on the book because the book displaced in the direction a force was applied.

Work is done as it were when an object that's being pushed or pulled really moves.

In the event that you lift a book, you apply a constrain and do work.

Thus, the correct answer is B.

Learn more about "Work Done":

https://brainly.com/question/1846801?referrer=searchResults

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