That means the force and load goes in the opposite direction. The force goes down the load goes up.
That's a lever. It is used to lift objects. The force is applied to one end and then it lifts the load up.
Oh yeah! Like scissors!
Wow! I had no idea.
That's right. the force and load move in the same direction.
Very good! What about a lid on a soda bottle?
That's a screw! It is used to keep stuff together.Force is applied to move the load.
Just like a wrench!
Great job guys! Now, can you tell me what kind of simple machine a has a rope and a cable guard, Claire?
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