Physics 163

Unit 5: Work, Energy and Power

Problem Set A

 

Problem 14:

A worker applies a 179 N force to lift a 37.9 kg object to a height of 3.18 meters at a constant speed of 1.4 m/s. What is the increase in potential energy of the object (in Joules)? 

  

 

 

 

 

 

 

Work, energy and power concepts can be reviewed on the Set A Overview page.

Further information about the concept of and equation for potential energy is available online at The Physics Classroom.

  

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