Simple machines give us an advantage by changing the amount, speed, or direction of forces. We are dependant on simple machines in many aspects of our lives.
- Would you have a problem if the door knob came off in your hand before you unlatched the door?
- How could you get an ATV into the back of a pickup truck if you did not have a ramp?
- How does a carpenter separate two boards that have been nailed together incorrectly?
- What do you look for when you open a drink bottle that does not have a screw-on cap?
From day to day do you find yourself using any of the six simple machines: