What is a screw?

1.   ?    An inclined plane wrapped around itself.
2.   ?    A spiraly line.
3.   ?    An iclined plane wrapped round a rod.
4.   ?    A lever rapped around a rod.

How can you calculate work?

1.   ?    ForcexSpeed
2.   ?    ForcexDistance
3.   ?    GravityxInertia
4.   ?    SpeedxDistance

What is a compound machine?

1.   ?    Two or more simple machines put together.
2.   ?    A type of pulley
3.   ?    One large simple machine
4.   ?    One of each simple machine in row

Where is the fulcrum on a first class lever?

1.   ?    There is no fulcrum.
2.   ?    Beside the load.
3.   ?    Beside the effort.
4.   ?    Between the load and effort.

How would you rate our project on a 1-5 scale?

1.   ?    5.
2.   ?    4.
3.   ?    3.
4.   ?    2 or 1.