The Storyline
A clip in the Science Please! collection, Operation Lever uses archival footage, animated illustrations and amusing narration to explain how a lever increases force.
Recommendations
No Image
Operation Take The Flag
★ 0.02021
The Trap
★ 7.42007
Margarete Steiff
★ 7.12005
Man with the Screaming Brain
★ 5.12005
Suddenly, Last Summer
★ 7.31959
Eternal Sunshine of the Spotless Mind
★ 8.12004
The Fountain
★ 6.92006
E.T. the Extra-Terrestrial
★ 7.51982
City of Angels
★ 6.81998
City Lights
★ 8.21931
God's Own Country
★ 5.42014
Green for Danger
★ 6.71946
Johnny Handsome
★ 6.41989
Brute
★ 5.71997
The Ringer
★ 5.72005
姑娘， 望着我
★ 0.01985
Soledad's Shawl
★ 6.51952
O21
★ 6.52014
Scalpel, Please
★ 7.61986
Night of the Bloody Apes
★ 5.51969