1. A wheel and axle is a special type of 2. The bigger the wheel, as compared to the axle, the
the mechanical advantage.
3. An
plane is a flat surface with one end higher than the other,
4. A
is a special plane with one or two sloping edges.
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5. A
is a spiral inclined plane.
6. The spiral path on this inclined plane is the
7. The number of threads in a given length is the
of a screw
8. A combination of simple machines is a
machine
9. As machines become more complex, the
between moveable parts increases