Which of the following statements about work is true?
*To do work, an object must move in the direction that a force is applied
*When you do work on an object, you increase the energy of that object
*Neither a nor b
*Both a and b

Question

Which of the following statements about work is true?
*To do work, an object must move in the direction that a force is applied
*When you do work on an object, you increase the energy of that object
*Neither a nor b
*Both a and b

compassionate · Answer

Hello, are you enjoying your stay at OpenStudy? I hope you are. 

An object has to move in order for you to do 'work' or else it's not progressive. 
Also, an object will gain energy from it's initial state because f = ma, so if it accelerates then it gains energy.