https://padlet.com/qzarins/v7omw6ahyi2 Chapter 5 en-us 2017-12-05 14:17:42 UTC 2023-01-25 16:12:22 UTC hello@padlet.com qzarins https://padlet.com/qzarins/v7omw6ahyi2/wish/213300417 a sloping ramp up which heavy loads can be raised]]> 2017-12-05 14:31:09 UTC https://padlet.com/qzarins/v7omw6ahyi2/wish/213300417 qzarins https://padlet.com/qzarins/v7omw6ahyi2/wish/213301655 2017-12-05 14:33:13 UTC https://padlet.com/qzarins/v7omw6ahyi2/wish/213301655 qzarins https://padlet.com/qzarins/v7omw6ahyi2/wish/213304926 a simple lifting machine consisting of a rope that unwinds from a wheel onto a cylindrical drum or shaft joined to the wheel to provide mechanical advantage.]]> 2017-12-05 14:39:14 UTC https://padlet.com/qzarins/v7omw6ahyi2/wish/213304926 qzarins https://padlet.com/qzarins/v7omw6ahyi2/wish/213306876 2017-12-05 14:42:40 UTC https://padlet.com/qzarins/v7omw6ahyi2/wish/213306876 qzarins https://padlet.com/qzarins/v7omw6ahyi2/wish/213307130 a short, slender, sharp-pointed metal pin with a raised helical thread running around it and a slotted head, used to join things together by being rotated so that it pierces wood or other material and is held tightly in place.]]> 2017-12-05 14:43:03 UTC https://padlet.com/qzarins/v7omw6ahyi2/wish/213307130 qzarins https://padlet.com/qzarins/v7omw6ahyi2/wish/213734178 2017-12-06 15:09:47 UTC https://padlet.com/qzarins/v7omw6ahyi2/wish/213734178 qzarins https://padlet.com/qzarins/v7omw6ahyi2/wish/213734397 A lever that has the fulcrum in the middle, and the load and effort on either side of the board.]]> 2017-12-06 15:10:12 UTC https://padlet.com/qzarins/v7omw6ahyi2/wish/213734397 qzarins https://padlet.com/qzarins/v7omw6ahyi2/wish/213735190 The fulcrum is at the end of the board, while the load is between the  effort, and fulcrum.]]> 2017-12-06 15:11:37 UTC https://padlet.com/qzarins/v7omw6ahyi2/wish/213735190 qzarins https://padlet.com/qzarins/v7omw6ahyi2/wish/213736138 A double sided wedge that can be placed on a object to slit it, or open something more easily.]]> 2017-12-06 15:13:23 UTC https://padlet.com/qzarins/v7omw6ahyi2/wish/213736138 qzarins https://padlet.com/qzarins/v7omw6ahyi2/wish/213737176 The least efficient of the 3, the effort is placed between the load, and the fulcrum.]]> 2017-12-06 15:15:34 UTC https://padlet.com/qzarins/v7omw6ahyi2/wish/213737176 qzarins https://padlet.com/qzarins/v7omw6ahyi2/wish/213738941 A pulley that changes the direction of the force on a rope or belt that moves along its circumference.]]> 2017-12-06 15:18:38 UTC https://padlet.com/qzarins/v7omw6ahyi2/wish/213738941 qzarins https://padlet.com/qzarins/v7omw6ahyi2/wish/213744255 A movable pulley is a pulley that is free to move up and down, and is attached to a ceiling or other object by two lengths of the same rope.]]> 2017-12-06 15:28:06 UTC https://padlet.com/qzarins/v7omw6ahyi2/wish/213744255 qzarins https://padlet.com/qzarins/v7omw6ahyi2/wish/213745120 A block and tackle is a system of two or more pulleys with a rope or cable threaded between them, usually used to lift or pull heavy loads.]]> 2017-12-06 15:29:41 UTC https://padlet.com/qzarins/v7omw6ahyi2/wish/213745120