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Examples of Lever Simple Machine Nut Cracker. A nutcracker is a prominent example of a second-class lever simple machine. ... Seesaw. Seesaws demonstrate the working of a first-class lever simple machine in the simplest possible way. ... Scissors. ... Plier. ... Stapler. ... Wheelbarrow. ... Human body. ... Broom.
- First class levers have the fulcrum in the middle. - Second class levers have the load in the middle. - This means a large load can be moved with relatively low effort. - Third class levers have the effort in the middle.
The third-class lever differs from the second-class lever in that the distribution of forces is changed in relation to the fulcrum. In third-class levers, the fulcrum remains at one end of the beam\u2014however, the force of the effort is now located between the fulcrum and the force of the load.
There are three classes levers, according to the position of the fulcrum. Class 1 has the fulcrum placed between the effort and load. Class 2 has the load between the effort and the fulcrum. Class 3 has the effort between the load and the fulcrum....Examples Tweezers. Stapler. Mousetrap. Broom. Hockey stick.
Second class lever. In second class levers the load is between the effort (force) and the fulcrum. A common example is a wheelbarrow where the effort moves a large distance to lift a heavy load, with the axle and wheel as the fulcrum.

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Examples of Lever Simple Machine Nut Cracker. A nutcracker is a prominent example of a second-class lever simple machine. ... Seesaw. Seesaws demonstrate the working of a first-class lever simple machine in the simplest possible way. ... Scissors. ... Plier. ... Stapler. ... Wheelbarrow. ... Human body. ... Broom.
Second Class Levers If the load is closer to the effort than the fulcrum, then more effort will be required to move the load. A wheelbarrow, a bottle opener, and an oar are examples of second class levers.
In a Class Three Lever, the Force is between the Load and the Fulcrum. If the Force is closer to the Load, it would be easier to lift and a mechanical advantage. Examples are shovels, fishing rods, human arms and legs, tweezers, and ice tongs. A fishing rod is an example of a Class Three Lever.
Standing on tip toes is a Class 2 lever. The pivot is at your toe joints and your foot acts as a lever arm. Your calf muscles and achilles tendon provide the effort when the calf muscle contracts. The load is your body weight and is lifted by the effort (muscle contraction).
- 1st class levers \u2013 Fulcrum in the middle - 2nd class levers \u2013 Load in the middle - 3rd class levers \u2013 Effort in the middle Every lever is made up of three parts: Exam tip 1: The middle component will determine whether a lever is 1st, 2nd or 3rd class!

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