What is the fulcrum of a seesaw?
The fulcrum/pivot point is the part of the lever that does not move, its in the middle. The work, force applied to the lever, is the person sitting on the other end of the seesaw. The force that is applied by pushing down/pushing up on one end of the seesaw can substitue for the mass on the other end.
What is the seesaw principle formula?
The seesaw principle: As you probably know, any two persons can balance each other when sitting on opposite sides of a seesaw, regardless of their weights. It is only necessary that each person contributes the same moment calculated by multiplying the person’s weight times the distance to the fulcrum.
How far from the fulcrum must she sit to balance the seesaw?
1 Expert Answer So Ellen should sit 6.67 feet away from the fulcrum.
What is a fulcrum physics?
The fulcrum is the point on which the beam pivots. When an effort is applied to one end of the lever, a load is applied at the other end of the lever. Levers rely on torque for their operation. Torque is the amount of force required to cause an object to rotate around its axis (or pivot point).
Where is the fulcrum located?
In a first class lever, the fulcrum is located in the middle of the lever, midway between the load and the force, or effort.
How does a seesaw work physics?
A seesaw is a specific type of lever; it consists of a long beam attached to a pivot called the fulcrum. As soon as you put weight on one end by sitting on one side of the beam it drops to the ground. This is because the force of gravity is acting on the weight of your body, pulling it and the beam down.
How to calculate the force of a seesaw?
The equation to calculate this would be F1xd1 = F2xd2 (Force 1 x distance 1 from pivot = Force 2 x distance 2 from pivot). If the seesaw had two sets of weights placed on either side of the fulcrum, as in Diagram 3, then you would use the equation F1d1 + F2d2 = F3d3 + F4d4 (force1 + force2 = force3 + force4).
What is the torque of a see saw?
From Sample Problem 1 we know that the torque due to the original mass is -58.8Nm. Since the sum of all torques must be zero when the see-saw is balanced, the torque due to the new mass must be +58.8Nm: The new mass should be placed 1.2m to the left of the pivot point. Copyright © 1999 Rensselaer Polytechnic Institute and DJ Wagner.
How does distance from Fulcrum affect the force needed to lift an object?
The longer the distance from the fulcrum, the less force one needs to lift a heavy object.
Are there any safety concerns with a seesaw?
When this toy was invented, safety concerns were not addressed. When someone gets off of the seesaw, the end comes crashing down and may potentially injure the child. In fact, many schools in the United States have banished the seesaw and ruled them to be “unfit” for playing.