https://padlet.com/vgrape/h4obinqjfvud Chapter 5 en-us 2017-12-05 14:51:57 UTC 2017-12-06 15:55:27 UTC hello@padlet.com vgrape https://padlet.com/vgrape/h4obinqjfvud/wish/213324176 A bar that can pivot freely on a  fixed point

First Class: scissors

Second Class: wheel barrow

Third Class: Baseball Bat

https://www.youtube.com/watch?v=cbv_ryyvEyw]]> 2017-12-05 15:09:40 UTC https://padlet.com/vgrape/h4obinqjfvud/wish/213324176 vgrape https://padlet.com/vgrape/h4obinqjfvud/wish/213328205 A grooved wheel with a rope, chain, or cable running along the groove

Fixed pulley

Movable pulley

Block and tackle 

]]> 2017-12-05 15:15:50 UTC https://padlet.com/vgrape/h4obinqjfvud/wish/213328205 vgrape https://padlet.com/vgrape/h4obinqjfvud/wish/213333457 A simple machine consisting of a shaft or axle attached to the center of a larger wheel so that the wheel and axle rotate together.

]]> 2017-12-05 15:23:17 UTC https://padlet.com/vgrape/h4obinqjfvud/wish/213333457 vgrape https://padlet.com/vgrape/h4obinqjfvud/wish/213335112 A sloping surface, such as a ramp that reduced the amount of force required to do work

]]> 2017-12-05 15:25:52 UTC https://padlet.com/vgrape/h4obinqjfvud/wish/213335112 vgrape https://padlet.com/vgrape/h4obinqjfvud/wish/213337760 an inclined plane wrapped in a spiral around a cylindrical post

]]> 2017-12-05 15:29:26 UTC https://padlet.com/vgrape/h4obinqjfvud/wish/213337760 vgrape https://padlet.com/vgrape/h4obinqjfvud/wish/213338812 an inclined plane with one or two sloping sides

]]> 2017-12-05 15:31:00 UTC https://padlet.com/vgrape/h4obinqjfvud/wish/213338812