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Mathematics 9 Online
OpenStudy (anonymous):

Which of the following uses of a simple machine changes the direction of a force?

OpenStudy (anonymous):

OpenStudy (amistre64):

what does it mean to "change direction"?

OpenStudy (anonymous):

move

OpenStudy (amistre64):

things can "move" in the same direction

OpenStudy (anonymous):

can you just tell me if im right?

OpenStudy (anonymous):

I think its A

OpenStudy (amistre64):

its not A, since the force is pushing forward and the object moves forward

OpenStudy (anonymous):

ohhh

OpenStudy (amistre64):

ever play on a seesaw?

OpenStudy (amistre64):

when one kid goes up, the other does down. the force of one kid going down, changes the direction of the other kid and makes them move up

OpenStudy (anonymous):

so is it D

OpenStudy (anonymous):

@amistre64

OpenStudy (amistre64):

i think it is D yes, he pushes down to move the rock up

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