Parallel force systems are those in which forces act in the same direction. The opposite of a parallel force system is a perpendicular force system, which is a system that has forces acting at right angles to each other.Continue Reading
An example of a parallel force system is a bag of oranges. While the oranges rest in the bottom of the bag, each is in a slightly different position. Accordingly, each has its own vector of force pulling it toward the earth’s center of gravity. However, the person carrying the bag does not feel all of these individual forces. Instead, the person carrying the bag feels the combination of all of the parallel forces as though they were pulling in one direction. The small differences between the force vectors even out, and the bag’s center of gravity appears to be drawn toward the earth.
Another example of a parallel force system occurs when a number of cars traverse over a bridge. Each of the cars is pulled toward the center of the earth by gravity. However, the bridge registers these forces as though they were all one force. This principle allows engineers to design bridges that allow all of the forces present to act as one.Learn more about Motion & Mechanics
A pulley is a simple tool that can be used for many things, such as lifting heavy objects or to change the direction of applied forces for various means. A pulley is a very simple tool that consists of a wheel on a fixed axle that has grooves for keeping a rope or wire in place. This makes pulleys useful for lifting heavy objects using applied human force.Full Answer >
Some examples of frictional forces include the force between shoes and the ground when walking, the force between tires and the road while driving, and the force between a falling object and the air surrounding it. Many machines also involve the use of frictional forces.Full Answer >
The parallelogram law of forces is a method of determining the resulting force when two vectors act on an object. If both vectors have the same origin, the physicist draws a line parallel to a vector beginning at the tip of the second vector, and repeats the process for the second vector. The diagonal from the beginning point of the two vectors to this intersection is the resulting force.Full Answer >
The net force on an object is calculated by combining the different forces being exerted on the object if the forces are on the same axis. When more than one axis is involved, the net force for each axis must be found. The Pythagorean Theorem is then used to find the net force.Full Answer >