Any solid material that can stand its' weight plus the object to lift.
Wood, Iron, Concrete, Plastic, Rock or even Ice block can do the job.
There are three different Classes of levers. Class One Levers have a fulcrum in the middle. Class Two Levers have a resistance in the middle. Class Three Levers have effort in the middle.
it help us us because it lessen our force
Levers. Mostly levers.
Levers make life easier by allowing us to lift or move heavy objects with less effort. By using a fulcrum, levers amplify force, enabling a smaller input force to generate a larger output force. This mechanical advantage reduces the physical strain on our bodies, making tasks like lifting, prying, or pushing much more efficient. Overall, levers enhance productivity and ease in various everyday activities.
Lightbulb(load),Battery(Power source),Switch,Copper wire
do levers make doing work easier
materials for brownies
Levers can be made from various materials such as wood, metal, plastic, or composite materials. The choice of material depends on factors like the intended use, load-bearing capacity, and durability required for the lever's application.
Make sure you have a lot of used materials, such as cardboard, pulleys, levers, screws, wood, marbles, and anything else. Use the parts to make your machine.
no coment
balsa
you need bits and peices of things
well they were really poor so they need to make all materials
Levers can make exercise more difficult depending on how they are used. They can help to make the resistance stronger so a muscle has to work harder.
time, materials and knowledge.
lots
Buckskin