1. It is used to make work easier.
2. It is a planed tilted in an angle with one end higher than the other.
3. Kind of simple machine that has small disk or shaft called an axle that is
attached to a wheel.
4. Simple machine that forms a sharp edge that typically used for cutting
and piercing
5. It is straight or curved rigid bar that is free to turn about a fixed point. It
also has fulcrum or fixed point.
6. It is a grooved wheel that turns around an axle which is held in place by
a mounting bracket.
27. It is a spiral inclined plane which composed of cylindrical body with a
ridge called thread.​