Example of lever with two different size of stones
Schlüsselwörter
lever,
fulcrum,
force,
leverage,
physics,
balancing,
object,
element,
clip,
art,
clip art,
weight,
science,
education,
comparing,
experiment,
cognition,
learn,
stone,
rock,
material,
2,
2,
isolated,
scientific,
science,
educational,
learning,
study,
nature,
pebble,
rocky,
illustration,
vector,
cartoon,
graphic,
drawing,
clip art,
image,
picture,
clip art,
background,
design,
artistic
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