first class
The neck acts as a third-class lever, as the effort (muscle force) is applied between the fulcrum (cervical vertebrae) and the load (head). This allows for a wide range of motion but requires more effort from the muscles.
wedge is another simple machine kind of lever
it is a 2nd class lever
it is a 2nd class lever
Lever.
First class lever.
it is a 2nd class lever
lever
is a 2 class 2 lever
A wheel and axle is a special kind of lever, as it combines rotational motion (wheel) with linear motion (lever) to make work easier.
The first kind of lever is a class 1 lever, where the fulcrum is located between the effort force and the load. Examples include a seesaw and scissors.
Yes, a hammer is a kind of lever. When you swing a hammer, you are using it as a lever to apply force to a particular point. The handle acts as the lever arm to increase the force applied to the head of the hammer.