<4-2> Final_Science_Chapter11_LS4_Simple Machine

something that has only a few parts and makes it easier to do work

It has two parts, a bar and a fixed point called fulcrum.

A lever has two parts. It has a bar and a fixed point called a _______.

The ____ is the object the lever moves.

To do work with a lever you apply force to a load.

The force you apply is the ______ force.

The lever then applied a force to the load called the ______ force.

The position of the _______ determines how a lever does work.

When a load is closer to the fulcrum, ____ effort force is needed to move the load.

How are the three kinds of levers similar? How are they different?

How does a tennis racquet make work easier?

What are two simple machines with wheels?

A _____ and ____ is two-part simple machine.

ex) faucet, Ferris wheel

A ______ is a simple machine with a grooved wheel and a cord.