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First, second, and third class levers.
An example of a first-class lever is the joint between the skull and the atlas vertebrae of the spine: the spine is the fulcrum across which muscles lift the head.
An example in the human body of a second-class lever is the Achilles
tendon, pushing or pulling across the heel of the foot.
An example of a third-class lever in the human body is the elbow joint: when lifting a book, the elbow joint is the fulcrum across which the biceps muscle performs the work.
Source(s):http://www.science-class.net/Anatomy/Sup…
What else can I help you with?
What is the definition of the three types of lever?
The three types of levers are the 1st class, the 2nd class, and the 3rd class
What is a example of levers?
There are three types of lever, with examples as follows: A seesaw (teetertotter) is a Class 1 lever A wheel barrow is a Class 2 lever A pair of scissors is a Class 3 lever
What three types of simple machines make up a pair of scissors?
Two wedges and a lever.
How do the three types of levers differ from one another?
The three types of levers differ based on the position of the load, effort, and fulcrum. In a first-class lever, the fulcrum is between the load and the effort. In a second-class lever, the load is between the fulcrum and the effort. In a third-class lever, the effort is between the fulcrum and the load.
How many types are there of lever?
3 types- 1) load in the middle 2) fulcrum in the middle 3) effort in the middle
What are the types of inclinde plane?
lever
What are the three parts to a lever what is the support of a lever called?
The three parts of a lever are the fulcrum (pivot point), load (resistance being lifted), and effort (force applied to move the load). The support of a lever is called the fulcrum.
What are the three elements of a lever?
The three elements of a lever are a fulcrum (the pivot point), an effort (the force applied to move the lever), and a load (the resistance that the lever is working against). The placement of these elements relative to each other determines the mechanical advantage of the lever.
Lever?
A lever is a simple machine consisting of a rigid bar that pivots around a fixed point, called a fulcrum. It is used to lift or move objects by applying force at one end. Levers are classified into three types based on the relative positions of the fulcrum, effort (input force), and load (output force).
What must you have in order to make a lever?
To make a lever, you need a rigid bar or beam that can rotate around a fixed point called a fulcrum. The lever is used to lift, push, or pull objects by applying force at one end. The three main types of levers are classified based on the positions of the fulcrum, force, and load.
What are the 3 types or classes of levers?
A claw hammer is a lever when using the claw to pull a nail. A crowbar or pry bar is also a lever. Automobile friction jacks are also levers. Your arm is a biological (biomechanical) lever.
Is opening a tin of paint with a spoon a 1st class lever?
Opening a tin of paint with a spoon is an example of a simple machine called a first class lever. There are three different types of levers, which are first class, second class, and third class levers.
