The Rueda enables movement of the body to which is attached the shaft Decreasing forces of friction by reducing the contact surfaces. The sprockets also transport the movement and force or torque .
The crank handle transforms the rotational movement of the crank in a reciprocating rod, both move in the same plane and a regular rotation of the crank results in a reciprocating rod. The relationship of power is more complex than in other cases, because angles of rotation of the crank equals no progress under the same rod. The
wedge transforms a vertical force in two horizontal antagonists. The wedge angle determines the ratio between applied forces and resulting in a similar way to the incline. The
lever is a rigid bar with a fulcrum, which applies a force and, pivoting on the fulcrum, overcoming resistance. It complies with the conservation of energy and therefore the force applied by the distance traveled must be equal to the force of resistance for their space travel. The
incline applies a force to overcome resistance vertical weight the object to be lifted. Given the conservation of energy, when the angle is smaller slope can lift more weight with the same force applied, but in return, the distance traveled will be larger.
The pulley simple transformation of the meaning of force, applying a downward force is achieved by an upward force. The value of the applied force and the resultant are equal, but opposite. In a hoist the ratio is different, but also the energy is conserved.
Ivan Avila Monroy
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