https://padlet.com/304934/gn5b9zcwsf1y vocabulary Definitions en-us 2017-08-28 21:34:40 UTC 2017-08-29 00:29:29 UTC hello@padlet.com https://usm.maine.edu/sites/default/files/planet/physics.jpg 304934 https://padlet.com/304934/gn5b9zcwsf1y/wish/183253169 The resistance that one surface or object encounters when moving over another.
http://www.dictionary.com/browse/friction
So the man is pushing a box and on the smoother surface is easier than the rough surface]]> 2017-08-28 21:37:19 UTC https://padlet.com/304934/gn5b9zcwsf1y/wish/183253169 304934 https://padlet.com/304934/gn5b9zcwsf1y/wish/183253304 It is the amount of retarding force between two objects that are moving relative to each other.
http://study.com/academy/lesson/coefficient-of-kinetic-friction-definition-formula-examples.html
So the the kid are using kinetic friction to go down the hill]]> 2017-08-28 21:38:05 UTC https://padlet.com/304934/gn5b9zcwsf1y/wish/183253304 304934 https://padlet.com/304934/gn5b9zcwsf1y/wish/183253724 It is a force that keeps an object at rest.
http://www.softschools.com/formulas/physics/static_friction_formula/30/
So the rock has static friction because the man who is pushing it can't move it ]]> 2017-08-28 21:41:16 UTC https://padlet.com/304934/gn5b9zcwsf1y/wish/183253724 304934 https://padlet.com/304934/gn5b9zcwsf1y/wish/183254553 The rate of change in distance with respect to time.
http://study.com/academy/lesson/calculating-average-speed-formula-practice-problems.html
So the car is changing the average speed]]> 2017-08-28 21:49:26 UTC https://padlet.com/304934/gn5b9zcwsf1y/wish/183254553 304934 https://padlet.com/304934/gn5b9zcwsf1y/wish/183254572 The sum of all the forces acting on an object.
http://study.com/academy/lesson/what-is-net-force-definition-magnitude-equations.html
So the car is using many different forces]]> 2017-08-28 21:49:36 UTC https://padlet.com/304934/gn5b9zcwsf1y/wish/183254572 304934 https://padlet.com/304934/gn5b9zcwsf1y/wish/183254613 Balance forces are two forces acting in opposite directions on an object, and equal in size.
http://eschooltoday.com/science/forces/balanced-forces.html

So if two people are pushing with the same force it won't move

]]> 2017-08-28 21:49:59 UTC https://padlet.com/304934/gn5b9zcwsf1y/wish/183254613 304934 https://padlet.com/304934/gn5b9zcwsf1y/wish/183256164 The action or process of moving or of changing place or position;movement.
http://www.dictionary.com/browse/motion
So walking, diving and running is a type of motion ]]> 2017-08-28 22:05:52 UTC https://padlet.com/304934/gn5b9zcwsf1y/wish/183256164 304934 https://padlet.com/304934/gn5b9zcwsf1y/wish/183267905 A change in velocity.
http://www.dictionary.com/browse/acceleration?s=t
When a car goes faster it accelerates ]]> 2017-08-28 23:58:38 UTC https://padlet.com/304934/gn5b9zcwsf1y/wish/183267905 304934 https://padlet.com/304934/gn5b9zcwsf1y/wish/183268140 Rapidity in moving, going, traveling, proceeding, or performing.
http://www.dictionary.com/browse/speed?s=t
So car travels at a certain speed]]> 2017-08-29 00:00:29 UTC https://padlet.com/304934/gn5b9zcwsf1y/wish/183268140 304934 https://padlet.com/304934/gn5b9zcwsf1y/wish/183268679 Physical power or strength possessed by a living being
http://www.dictionary.com/browse/force?s=t
When someone pulls on a rope the person is using force]]> 2017-08-29 00:04:21 UTC https://padlet.com/304934/gn5b9zcwsf1y/wish/183268679