Have you ever tried to tighten something but you just can't quite get it tight enough?
Could the introduction of pulleys be useful? What happens when we change the ratio?
What does 4 to 1 really mean?
Well, Year 5 should be able to help you! In the photos below, the children are exploring and investigating pulleys...not just brain power, but muscle power too!
|Pull! I'm trying....it's not as easy as it looks!|
|So, what happens when I start to pull? Let's find out!|