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Work and energy

Work in Physics

QuestionAnswer
In which term do we use work in the daily life? We use the term ''work'' to indicate an activity or an effort.
When a force, acting upon an object, does work? A force, acting upon an object, is doing work, when the point of application of the force is displaced.
What is the definition of gravitational potential energy? Gravitational potential energy is the work done by the gravity on an object.
What is the definition of energy? Energy is a scalar quantity, and its SI unit is the Joule (J).
How is 1 J defined? 1 J is defined as 1 N of orce applied through one meter of distance.
What is the definition of elastic potential energy? Elastic potential energy is the energy of a stretched or compressed spring and it represents the work done by an elastic force to return the spring to its initial position.
What is the definition of Kinetic enegy? Kinetic energy is the energy due to motion.
Created by: Roberta_tOR