Yes, another example is when you lift a book from the floor to a table. You exert an upward force on the book, and the book moves upwards through a distance. Hence, work is done according to the scientific definition.
Tiwari Academy Discussion Latest Questions
The necessary conditions for work to be done in the provided examples are that a force must be exerted on an object, and the object must be displaced through a distance as a result of the force.
When a girl pulls a trolley, the trolley moves through a distance. The girl exerts a force on the trolley, and the trolley gets displaced. Therefore, work is done.
The everyday definition of work includes any useful physical or mental labor, while the scientific definition specifically involves force causing displacement.
Yes, playing in a field can be considered work scientifically if it involves moving objects or oneself in response to applied forces.
Talking with friends, humming a tune, and watching a movie are seen as work in everyday life because they require mental effort but do not involve physical displacement.
Climbing a staircase involves force and displacement, meeting the scientific criteria for work, but in everyday life, work is often seen as productive tasks, not just physical exertion.
In science, work is defined as the force applied to an object causing its displacement in the direction of the force.
In the context of pushing a pebble, work is defined as the force exerted on the pebble that causes it to be displaced over a distance.
When you push a pebble lying on a surface, the pebble moves through a distance. You exert a force on the pebble, causing it to be displaced. In this situation, work is done.