The fulcrum is still at one end of the lever, but the effort is now in the middle, with the load at the opposite end. It’s harder to think of everyday class 3 examples but we’ll see three of ...

The light switch on the wall, for example, and the stapler on your ... a relatively small obelisk three feet. You have a lever, a movable fulcrum, weights, and supporting stones at your disposal.

Fulcrum - This is the spot where the lever ... you can use the lever to help with the hard work. Some examples of everyday levers are scissors, bottle openers and cooking tongs.

A crowbar is an example of a first order lever that puts the load closer to the fulcrum - this gives it more power to move a load. When the fulcrum is moved nearer the load it takes less effort to ...

the film transitions to real-world examples such as can openers, seesaws, and industrial tools. A hands-on demonstration explains how levers function through balancing weights on a fulcrum and how ...