F. Long-answer questions
1. Under what circumstances is mechanical
work done on an object? How does
changing the factors involved affect the
amount of work done? Explain with an
example.
Answers
Answer:
Work is done when a force is applied to an object through a distance. This means that when a force is applied to an object through a distance, the object's total energy will be affected.
The acting force on the body : Work is directly proportional to the acting force at constant displacement and constant angle between force and displacement . The displacement of the body : Work is directly proportional to the displacement at constant force and constant angle between force and displacement .
Examples of Mechanical Energy in Everyday Life
Wrecking Ball. A wrecking ball is a large round structure that is used for the demolition of buildings. ...
Hammer. ...
Dart Gun. ...
Wind Mill. ...
Bowling Ball. ...
Hydropower Plant. ...
Cycling. ...
Moon.
Answer:
work is done when a force