B. Write agree if the statement is correct and disagree if the statement is not corect.
1. A screw is an inclined plane wrapped around a cylinder.
2. A pulley always changes the direction of the force when lifting heavy objects.
3. A wheel and axel is a machine that reduces friction.
4. A movable pulley double the force applied to lift the object.
5. The steering wheel of a car is an example of how a screw makes our work easier.​