Physics 163

Unit 5: Work, Energy and Power

Problem Set A

 

Problem 4:

Hans Full is pulling on a rope to drag his backpack to school across the ice. He pulls upwards and rightwards with a force of 27.9 Newtons at an angle of 45 degrees to drag his backpack a horizontal distance of 179.2 meters to the right. Determine the work (in Joules) done upon the backpack. 

 

 

 

 

 

 

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

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

  

Return to: Set A Overview Page || Audio Help Home Page || Set A Sample Problems

Audio Help for Problem: 1 || 2 || 3 || 4 || 5 || 6 || 7 || 8 || 9 || 10 || 11 || 12 || 13 || 14

Retrieve info about: Audio Help || Technical Requirements || Usage Policy || CD-ROM

Return to: Physics 163 Problem Set Page || Physics 163 Home Page