yes!
The joint, near where the tendon is attached to the bone, acts as the fulcrum.
If the book holders are shorter than the fulcrum then it can still function are a fulcrum. If the book holders are taller than the fulcrum then it can't function as a fulcrum.
In your KNEE JOINT.
When you bend your elbow, the fulcrum is at the joint where your upper arm (humerus) connects with your forearm (radius and ulna). This joint acts as the pivot point around which the bending motion occurs.
A lever pivots on its fulcrum, which is the fixed point where the lever rotates. The position of the fulcrum affects the mechanical advantage and function of the lever.
Your thumb is a lever because the joint that bends your thumb is a fulcrum.
The fulcrum in a nutcracker is typically located at the joint where the two arms of the nutcracker meet. It acts as a pivot point to allow the arms to open and close, applying pressure to crack the nut.
Yes, the ankle joint is considered a third-class lever. In this type of lever system, the effort is between the resistance and the fulcrum. In the case of the ankle, the effort is generated by the muscles that cross the joint to move the foot, the resistance is the weight of the body and the fulcrum is the ankle joint itself.
A star jump is an example of a second-class lever, where the load is situated between the fulcrum and the effort (in this case, your body weight is the load, your hip joint is the fulcrum, and your muscles are the effort).
The answer, simply no. A joint's function is to move - if it were unable to, then it would not be a joint.
No, the function of the fulcrum remains the same The only change would be the ratio of force to load The closer the fulcrum is the the load, the less force required to lift it The farther away the fulcrum is from the load, the more force required to lift it
bayot