1ºESOen - Mechanisms (short videos)

Mechanisms allow objects to move. They make work easier and more comfortable for human beings.

Let's see some examples:

 

Gears

[youtube https://www.youtube.com/watch?v=Je0kOq48MDA?version=3&rel=1&fs=1&autohide=2&showsearch=0&showinfo=1&iv_load_policy=1&wmode=transparent][youtube https://www.youtube.com/watch?v=o-Kdj_f6WCQ?version=3&rel=1&fs=1&autohide=2&showsearch=0&showinfo=1&iv_load_policy=1&wmode=transparent]

 

Sprockets with chains

[youtube https://www.youtube.com/watch?v=32IAC8ZisPo?version=3&rel=1&fs=1&autohide=2&showsearch=0&showinfo=1&iv_load_policy=1&wmode=transparent]

 

Fixed pulley, movable pulley and compund pulley systems

[youtube https://www.youtube.com/watch?v=DoRjsJRNGn8?version=3&rel=1&fs=1&autohide=2&showsearch=0&showinfo=1&iv_load_policy=1&wmode=transparent]

 

Endless screw

[youtube https://www.youtube.com/watch?v=7rZ1ZW253Y4?version=3&rel=1&fs=1&autohide=2&showsearch=0&showinfo=1&iv_load_policy=1&wmode=transparent]

 

Rack and pinion mechanism

[youtube https://www.youtube.com/watch?v=D2XvM3SPMGw?version=3&rel=1&fs=1&autohide=2&showsearch=0&showinfo=1&iv_load_policy=1&wmode=transparent]

 

Crank and rod mechanism

[youtube https://www.youtube.com/watch?v=Q1h35DDP7Is?version=3&rel=1&fs=1&autohide=2&showsearch=0&showinfo=1&iv_load_policy=1&wmode=transparent]

 

Crankshaft

[youtube https://www.youtube.com/watch?v=oPLYdaCy8vo?version=3&rel=1&fs=1&autohide=2&showsearch=0&showinfo=1&iv_load_policy=1&wmode=transparent]

 

Cams

[youtube https://www.youtube.com/watch?v=videoseries?list=PL402FA578BA1E8FA2&hl=en_US]

 

Eccentric wheel

[youtube https://www.youtube.com/watch?v=XQmIeg8Df5o?version=3&rel=1&fs=1&autohide=2&showsearch=0&showinfo=1&iv_load_policy=1&wmode=transparent]

Ratchet

[youtube https://www.youtube.com/watch?v=BqF3KRg-Als?version=3&rel=1&fs=1&autohide=2&showsearch=0&showinfo=1&iv_load_policy=1&wmode=transparent]