En el siguiente ejercicio te propongo que leas la definición que aparece en la imagen e intentes adivinar la herramienta que se trata. Te propongo 5 definiciones de herramientas en inglés, y debes pensar qué herramienta es la definición. Tool with a long metal blade to carve wood hitting with a hammer or mallet. Small …
Herramientas en Inglés del taller de Tecnologías para aprender cómo se escriben y cómo se pronuncian.
Gears come in a variety of sizes with the teeth straight or curved and inclined at a variety of angles. They are connected together in various ways to transmit motion and force in machines. However, there are only four basic types of gears. They all act so that one gear wheel turns faster or slower …
This is a special combination of fixed and movable pulleys. The more pulleys we have, the more complex the mechanism, but the easier it is to lift the load. Look at these two compound pulley systems (n is the number of movable pulleys): Movable and compound pulleys can be used for lifts and cranes Watch the …
Listen to the audio below and try to do the exercise about Pulleys. You have 2 tries!! Don’t fail! Download Audio Pulleys listening exercise
To achieve the rigidity of a structure (which is not deformed), the profiles must form triangular cells. Cables, bars and braces can be used for this purpose. A structure is made up by 4 bars that is easily deformable. However, a structure composed of 3 bars may not deform and for this reason most of …
Linear transmission of motion Linear transmission mechanisms transmit motion and force through a motor to another point. Levers A lever is a rigid bar that turns around a point called a fulcrum. At one end of the bar, force (F) is applied to move a resistance or load (R) at the other end of the …
Structural Conditions There are three conditions for a structure to work well: Types of Efforts
What’s a structure? Everything has a structure. humans have skeleton, bicycles have a frame, houses have columns, beams and a roof. Structure exercise in you notebook Try to draw the following structures in your notebook. The structures / buildings shown below are famous and well known. Write the name of each structure / building under each picture. If …