Loading presentation...

Present Remotely

Send the link below via email or IM

Copy

Present to your audience

Start remote presentation

  • Invited audience members will follow you as you navigate and present
  • People invited to a presentation do not need a Prezi account
  • This link expires 10 minutes after you close the presentation
  • A maximum of 30 users can follow your presentation
  • Learn more about this feature in our knowledge base article

Do you really want to delete this prezi?

Neither you, nor the coeditors you shared it with will be able to recover it again.

DeleteCancel

levers and pulleys

by nirov
by

yohaan mehta

on 26 April 2010

Comments (0)

Please log in to add your comment.

Report abuse

Transcript of levers and pulleys

Levers

A class 1 lever has the fulcrum (pivot point) in between the load and effort.
A class 2 lever has
the load between
the effort and the
fulcrum.

Crowbar CLASS 1 CLASS 2 CLASS 3 A Class 3 lever has
the effort between
the load and fulcrum PULLEYS Here are differint types of pulleys. Single Fixed (pulling down)


Single Fixed (pulling up) single fixed/single movable (pulling down) single fixed/single movable (pulling up) LEVERS AND PULLEYS The MA is 1 but since this
pulley is pulling down you
take away 1 rope.
The advantage of this pulley
is that you do not have to pull
or push the pulley down.
The disadvantage of this pulley
is that you have to apply more
effort then the load. The MA is 2 in this pulley since it is
pulling up you dont take away 1 rope.
The advantage of this pulley system is that
Full transcript