Albania - Protestors clash with police

What is the basic definition of work in physics?

• The mass of an object

• The speed of an object

• The energy transferred by a force

• The force applied to an object

Which of the following is an example of positive work?

• Lifting a book off the ground

• Holding a book in place

• Sliding a book on a frictionless surface

• Dropping a book

What type of work is done when a force is applied but there is no movement?

• Positive work

• Zero work

• Kinetic work

• Negative work

In which field is the concept of work particularly important?

• Literature

• History

• Biology

• Physics

How does work relate to energy in practical applications?

• Work is unrelated to energy

• Work is the transfer of energy

• Work decreases energy

• Work is the storage of energy