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In a living lever in your body what acts as the levers fulcrum?
Wiki User
β 10y ago
The joint, near where the tendon is attached to the bone, acts as the fulcrum.
Wiki User
β 14y ago
Wiki User
β 10y agoThe joint is the fulcrum.
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Where is the fulcrum on a bike?
The pedal arms are levers, as are the hand-brake levers. These components meet the definition of a lever by being rigid arms that pivot at one point to apply force at another point when pressure is applied at a third point.
What is the function of the fulcrum on a lever?
The fulcrum is the point of the lever where a change in motion will occur. There are 3 types of levers that are illustrated at this URL (http://i1131.photobucket.com/albums/m554/skyop22/Answers%20Pictures/levers.gif). The three types will distribute the load differently based on where the fulcrum is.
How does scissors levers and screw are related?
A scissors actually acts as two levers, since it has two blades that act jointly. The two blades are connected by a bolt or screw of some sort, and that acts as the fulcrum for both blades. The motion of the handle pivots on the fulcrum and is then transmitted to the other end, with the sharp edges.
What are the 3 kinds of levers?
First-class levers have the fulcrum placed between the load and the effort, as in the seesaw, crowbar, and balance scale. If the two arms of the lever are of equal length, as with the balance scale, the effort must be equal to the load. If the effort arm is longer than the load arm, as in the crowbar, the effort travels farther than the load and is less than the load.Second-class levers have the load between the effort and the fulcrum. A wheelbarrow is a second-class lever. The wheel's axle is the fulcrum, the handles take the effort, and the load is placed between them. The effort always travels a greater distance and is less than the load.Third-class levers have the effort placed between the load and the fulcrum. The effort always travels a shorter distance and must be greater than the load. A hammer acts as a third-class lever when it is used to drive in a nail: the fulcrum is the wrist, the effort is applied through the hand, and the load is the resistance of the wood. Another example of a third-class lever is the human forearm: the fulcrum is the elbow, the effort is applied by the biceps muscle, and the load is in the hand.Refer to link below for more information.
When play on a see-saw the long board that they sit on acts like an?
It acts like a lever - with the central fixing post simulating the fulcrum.
How are fixed pulley's similar to first class levers?
Fixed pulleys are similar to, and are considered by many to be, first class levers. In a first class lever, the fulcrum of the lever is placed between the load (resistance) and force (effort). In a fixed pulley, this is essentially the same. Picture a piece of rope hanging from a ceiling from one end, and with you holding the other end. A weight on a pulley is placed in the middle. Now, if you pull up on the rope, the weight rises, just like with a first class lever. Since the load is between the fulcrum (the pulley) and the effort (you pulling up), the fixed pulley acts like a first class lever.
What mechanism is in a door hinge?
The spindle acts like a fulcrum, so I would suggest the hinge is a lever mechanism.
What type of lever is a jaw?
You have two levers working in your jaws! When you bite using your front teeth, such as munching a bite out of an apple, your lower jaw acts as a third class lever. When you crunch on the apple with your molars, your lower jaw now acts as a second class lever.
What class lever is a human nodding their head in physical science?
A class 1 lever , where the joint acts as the fulcrum , the head the load and the muscles below the joint as the effort. Therefore it is a first order lever.
What type of lever is a rowboat oars?
Yes, it is all three classes of lever depending on the point in the stroke. Your hands are the fulcrums and the oar is the beam.If you use oarlocks then it is a first class lever with the fulcrum in the center.If you use it as a paddle then it is a third class lever with the fulcrum as mentioned before in the hand opposite the load.
What kind of sport you use a lever in?
A hockey stick is a 3rd order lever. Elbow, Shoulder, hip, knee. All sport equipment that gives a mechanical advantage from bats & bows through to sports vehicle suspension are either levers in their own right or use levers.
Is a crane a class 1 lever or a class 2 lever or a class 3 lever?
A crane is a first class lever when it is winching in or out the rope attached to a load. The crane becomes 3rd class lever when it's boom is luffing, i.e. it is being lowererd or raised.
