Machines
Levers
ABOUT THIS POST
Definition of “Lever”
Three Classes of Lever: FLE, 1, 2, 3
Video: “Simple Machines: Levers”
Video 2: “Super Simple Machines: Levers”
Quiz!
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Lever:
A lever is a bar that balances on a fulcrum.
Three Different classes of Levers:
F - 1 ———- F = Fulcrum
L - 2 ———- L= Load
E - 3 ———- E = Effort
SOURCE:
Super Simple Machines: Levers
QUESTIONS:
A) What type of lever would is used to move a load of dirt?
ANSWER: _________________________________
B) What lever is used to put a nail into a wall?
ANSWER: _________________________________
C) What type of lever is used to cut a piece of paper?
ANSWER: _________________________________
SCROLL DOWN FOR THE ANSWERS to A, B, C
Answers: A. Wheelbarrow; B. Hammer; C. Scissors