Cast
2000
1min 04
0
Compartir
A clip in the Science Please! collection, Operation Lever uses archival footage, animated illustrations and amusing narration to explain how a lever increases force.
Ver CastGéneros
Cast
CATEGORIAS
2000
1min 04
Compartir
A clip in the Science Please! collection, Operation Lever uses archival footage, animated illustrations and amusing narration to explain how a lever increases force.
Ver Cast
