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Position the fulcrum so that the distance from the fulcrum to the one pound ball is twice the distance from the fulcrum to the two pound ball.

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Q: To balance a lever between a 1 pound ball and a 2 pound ball where to put the fulcrum?
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Levers explain how the force applied by a lever is affected by its distance from the fulcrum?

On the side on which the force is being applied, the distance and force are directly proportional. On the other side of the lever, they are inversely proportional. If 1 pound of force is applied to a lever at 1 foot on the left side of the fulcrum, the lever will apply 1 pound of force 1 foot from the right side of the fulcrum. If 1 pound of force is applied 2 feet left of the fulcrum, the lever will apply 2 pounds of force 1 foot from the right side. If 1 pound is applied 4 feet left of the fulcrum, the lever will apply 4 pounds of force 1 foot to the right of the fulcrum. If 1 pound of force is applied 1 foot left of the fulcrum, at 2 feet on the right side, the force will be 1/2 pound. At four feet, it will be 1/4 pound. Etc,


Why is a hammer a lever?

When you use it to pull out a nail, the curved part becomes the fulcrum and the part on the back that you use to pull out the nail and the end you would use to pound the nail in are the two ends of the lever.


A 150 pound man is standing on a lever one foot from the fulcrum. How much effort must be used to lift the man if the effort is applied six feet from the fulcrum?

6 x 150 pounds. 900 pounds of force would have to be applied.


Levers are advantageous for doing work because they provide?

Mechanical Advantage. Using a lever of appropriate size you could lift a 500 pound load with just 50 pounds of force. The distance from the weight to the Fulcrum would have to be 1/10th the distance from the Fulcrum to you, pushing down with 50 lbs of Force.


A mover wants to use his own weight to lift a 450-pound box with a lever and a fulcrum He weighs 150 pounds If the output arm is 1 meter long how long does the input arm need to be?

3 meters


Pounds to foot pounds?

Assuming the question refers to torque, then 1 ft-lb = 12 in-lbs. If you have a torque wrench reading inch-pounds, divide by 12 to get foot pounds. Conversely, multiply foot pounds by 12 to get inch pounds. If you want to get a little more technical, then read on. Torque quantifies force applied in a twisting action, such as tightening a bolt with a wrench. The longer the lever arm (distance the force is applied from the point of rotation) the greater the torque. This assumes the force is applied in a direction perpendicular to the lever arm, which is the normal case in practice. Formally, the definition of torque is force multiplied by distance, or force acting perpendicular to the lever arm multiplied by the length of the lever arm. If you are doing something like using a torque wrench on a car, you steady the connection of the wrench to the bolt or nut to make sure the force you are applying is perpendicular to the axis define by the length of the bolt. Then the reading on the torque wrench is an accurate measure of the torque applied to the nut or bolt.


Is 150 pound-feet of torque much different from 100 pound-feet?

for a given lever length the force is (150 / 100) times greater torque = force (pounds) * lever length (feet)


How many 8-pound weights are needed to balance two 12-pound weights?

three 8 pound weights


A 100 pound force to the west and a 50 pound force in the same direction what is the resultant force in each?

it will not be balance


What does a beakers balance measure?

The most common type of balance scale used for food preparation in large professional kitchens is the 16 pound baker's balance scale.


What is heavier on a balance beam scale 1 pound of lead or 1 pound of gold?

the lead clearly weighs more...


What is the function of the claw in the claw hammer?

The handle is the lever which allows you to pull nails or pound a nail with equal ease.