View Full Version : Friction
dadon6176
Sep 17, 2006, 05:58 PM
A 200-N sled is pushed along a horizontal surface at constant speed with a 50-N force that makes an angle of 28 degrees below the horizontal. What is the coefficient of kinetic fricition?
colbtech
Sep 18, 2006, 12:07 AM
This may assist
http://www.ap.stmarys.ca/demos/content/mechanics/kinetic_friction/kinetic_friction.html
miss ash
Oct 11, 2006, 06:02 AM
OH GOSH
Thankx colbtech
You saved my life
colbtech
Oct 11, 2006, 06:23 AM
Ypou are welcome. Love the tortie, got one myself very similar markings. Her name is Grace and she is gorgeous
rajeevsrai
Oct 19, 2006, 01:20 AM
component of 50 N along direction of motion = 50cos28= 44.14 N
coefficient of friction = 44.14/200 = 0.2207
kesavan
Dec 29, 2006, 11:11 AM
http://www.geocities.com/nk7jaffna/askmehelpdesk/friction.gif