work by meghana kollu s.org
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WorkBy Meghana Kollu
http://ap-physics.david-s.org/
What is work?
•When a force is applied to a body and the body moves in the direction of force applied
•Displacement produced by force
•A vector quantity- it has magnitude as well as direction
http://ap-physics.david-s.org/
Examples
Throwing a baseball
jogging
Writing on a piece of paper
http://ap-physics.david-s.org/
How to find work
•The formula for work is: W=F x D
Work= Force x Displacement
http://ap-physics.david-s.org/
How to find work
•W=F x D
•Force and Displacement is needed to find the amount of work done:Find the amount of force exerted Find the change in placement for displacement
http://ap-physics.david-s.org/
What is work measured in?
•Work is measured in:Nm (Newton-meter)Joule Erg
http://ap-physics.david-s.org/
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