miércoles, 23 de mayo de 2018

MACHINES

IS IT A MACHINE? SIMPLE OR COMPOUND MACHINE?

SIMPLE MACHINES: TYPES AND FUNCTION



THE WHEEL

A Wheel is a circular object that rotates around a central axle. Wheels make object roll and they are some of the most important machines in our lives.

INCLINED PLANE

The ramp is a simple machine called an inclined plane. We use inclined planes to raise  or lower objects with less force.


SCREW

If we roll an inclined plane around a cylinder or axis we make a screw. We use screws to fix pieces together when we make furniture or other things.




WEDGE

We uses wedges in many machines or tools to separate two objects when we apply a force.


PULLEY

A pulley is a wheel with a channel which guides a rope. When we pull the rope, the object rises. We use the pulleys in lifts.


WHAT IS A PULLEY?






what is a wedge?

what is a screw?

the lever and inclined plane

wheel and axle

pulleys


Gears and compound machines


HOW DOES A CAR ENGINE WORK?