Distance
Forces and Motion
Getting leverage
Stories from Physics
for 11-14
14-16
Archimedes is supposed to have said: ‘Give me a lever and a place to stand and I’ll move the Earth’. An estimate in a paper suggests that the lever required to perform this feat would be longer than the size of the observable universe.
References
D. Holmes, & A. Caldwell, Give me a lever and a place to stand and I’ll move the world. Physics Education, vol. 47, no. 3, 2012, pp. 264-265.