To raise a flag on a pole, the use of a pulley is mandatory in order to move the flag up and down.
published by Mellisa on 2021-10-30 15:04:16
By making a pulley, the children were able to hoist the heavy load up to their tree house.
published by Rochel on 2021-06-20 16:13:00
As the temperature rose, many townspeople began to use the pulley to bring water up from the well.
published by Karena on 2021-06-18 23:14:22
Among the simple machines, the pulley was the best device to use to get the object to the other side of the shelf.
published by Tomiko on 2021-10-24 15:28:43
Since the couch would not fit in the tight staircase, the moving crew became aware that a pulley would be needed to lift the couch to the second floor.
published by Lucio on 2021-05-01 19:27:51