1._____are devices thatmake your everydaylife easier. 2._____is the force you apply on the machine. 3._____is the work you perform. 4._____is the distance from the fulcrumto the load. 5._____is a grooved wheel that turns around an axel wich is held place by a mounting bracker. 6._____is a straight or curved rigid bar that is free to turn about a fixed point. 7._____are inclened planes that meet each other to form a sharp edge. 8._____is a plane tiltied at an angle,with one end higher that the other. 9._____is a machine that has a small disk or shaft called an axel that is attached to a wheel. 10.____is a spiral inclined plane. 11._____total number of levers' classes
