http://hyperphysics.phy-astr.gsu.edu/hbase/work.html
http://www.efm.leeds.ac.uk/CIVE/CIVE1140/section03/mechanics_sec03_full_...
http://www.launc.tased.edu.au/online/sciences/PhysSci/done/kinetics/wep/...
http://www.edinformatics.com/math_science/work_energy_power.htm
http://www.animations.physics.unsw.edu.au/jw/work.htm
http://www.mathsrevision.net/advanced-level-maths-revision/mechanics/wor...
http://mrmackenzie.co.uk/wp-content/uploads/2007/02/work-power-and-energ...
http://www.physicsclassroom.com/calcpad/energy/problems
http://www.physicstutorials.org/home/exams/work-power-energy-exams-and-s...
http://www.sparknotes.com/physics/workenergypower/workpower/problems_1.html
http://faculty.educ.ubc.ca/sanderson/courses/HKIN151/problems/PSAns/ps9a...
http://www.askiitians.com/iit-jee-physics/mechanics/solved-examples-of-w...