Mr Jacobsen set up his block and tackle pulley system especially for Room 11 on Friday afternoon so we could see how simple machines can help us move things. After watching a video and checking out some pulleys in class, it was so much more fun trying to lift a crate of heavy bricks outside in the real world! It took the effort and energy of three people to lift the load using a rope but everyone could lift the crate on their own with the help of the block and tackle.
Thank you so much, Mr J, for sharing this technology with us.