1. Forces on a Seesaw:
* Two people sitting on opposite ends of a seesaw exert forces on the seesaw at different points. These forces are non-concurrent.
2. Forces on a Door:
* Pushing a door open involves applying force at the handle, while the hinges provide a reaction force at a different point. These forces are non-concurrent.
3. Forces on a Boat:
* A boat being pulled by a rope attached to the front and pushed by a paddle at the back experiences non-concurrent forces.
4. Forces on a Bicycle:
* The rider applies force to the pedals, while the wheels exert forces on the ground at different points.
5. Forces on a Building:
* The weight of a building acts downwards at its center of gravity, while the foundation provides support forces at various points along its base. These forces are non-concurrent.
6. Forces on a Bridge:
* The weight of the bridge acts downward at its center of gravity, while the supports (piers) provide upward forces at different points.
7. Forces on a Crane:
* The crane's lifting mechanism exerts force on the load, while the crane's base exerts a reaction force on the ground.
Characteristics of Non-Concurrent Forces:
* They act at different points.
* Their lines of action do not intersect at a single point.
* They can create a moment or torque on the object.
It's important to note that non-concurrent forces can be either parallel (acting along the same direction) or non-parallel (acting at different angles).
