work by meghana kollu s.org

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Work By Meghana Kollu http://ap- physics.david- s.org/

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Page 1: Work By Meghana Kollu  s.org

WorkBy Meghana Kollu

Page 2: Work By Meghana Kollu  s.org

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

Page 3: Work By Meghana Kollu  s.org

http://ap-physics.david-s.org/

Examples

Throwing a baseball

jogging

Writing on a piece of paper

Page 4: Work By Meghana Kollu  s.org

http://ap-physics.david-s.org/

How to find work

•The formula for work is: W=F x D

Work= Force x Displacement

Page 5: Work By Meghana Kollu  s.org

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

Page 6: Work By Meghana Kollu  s.org

http://ap-physics.david-s.org/

What is work measured in?

•Work is measured in:Nm (Newton-meter)Joule Erg

Page 7: Work By Meghana Kollu  s.org

http://ap-physics.david-s.org/