nickeagles105
contestada


For the girl to lift this rock, she must push down with a force _____.

A. equal to the weight of the rock
B. less than the weight of the rock
C. greater than the weight of the rock

For the girl to lift this rock she must push down with a force A equal to the weight of the rock B less than the weight of the rock C greater than the weight o class=

Respuesta :

jamesphantos11

Answer:

B.

Step-by-step explanation:

B. The girl would have to use less force because she is using a simple machine, or a lever. The lever makes it easier to lift the rock because the rock is closer to the fulcrum.