Both conditions are met: a force is applied, and the book is displaced upwards.
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No, work is not done because the object must be displaced for work to be considered done in the scientific sense.
Yes, work is done because the bullock exerts a force on the cart, and the cart is displaced.
Because a force is applied to the book, and it is displaced through a height, satisfying both conditions for work.
A force must act on an object, and the object must be displaced.
These examples illustrate that work involves both force and movement in the direction of the force, aligning with the scientific definition that work equals force times distance.
No, work is not done if there is no displacement, even if force is applied.
The two key components are the exertion of force and the displacement of the object.
Work is indicated by the trolley moving through a distance due to the force exerted by the girl.
The pebble must be moved through a distance by an exerted force.