Crowbar
by GIPhotoStock
Title
Crowbar
Artist
GIPhotoStock
Medium
Photograph - Photograph
Description
Crowbar. A crowbar is used to pull a nail from a wood board. It is a lever, one of the simple machines. When the handle is pulled with a certain force (shorter arrow), the claw pulls the nail with a greater force (longer arrow). Here the ratio of the two forces is about 5.
Uploaded
September 29th, 2014
Embed
Share
Comments
There are no comments for Crowbar. Click here to post the first comment.