Two equal, but oppositely directed forces acting simultaneously on opposite sides of an axis of rotation. Since the translatory forces (forces that produce linear motion) cancel out each other, a force couple produces torque (rotatory forces) only. The magnitude of the force couple is the sum of the products of each force and its moment arm.
Riley Wolf
Couple force refers to a pair of forces that are equal in magnitude, opposite in direction, and not in the same line. These forces create a turning effect or moment on an object, causing it to rotate around its axis. The distance between the two forces is known as the arm of the couple.
Between a moment of force and a moment of couple lies the concept of torque. Torque is a measure of the force that can cause an object to rotate around an axis and is often used interchangeably with moments in mechanics. Moments of force and moments of couple are specific types of torques that act in different ways to produce rotational effects.
A couple produces rotational motion around a central axis.
Torque is the measure of the rotational force acting on an object, while couple refers to a pair of equal and opposite forces that are close together but not along the same line. Torque is a specific type of couple that results in rotational motion.
A couple is a vector quantity because it has both magnitude (related to the moment of force) and direction (related to the axis of rotation).
The resultant torque of a couple is the vector sum of the individual torques produced by the two equal and opposite forces that make up the couple. It is the product of the force magnitude and the perpendicular distance between the forces. The resultant torque of a couple is constant and does not cause linear acceleration but only rotational motion.
Between a moment of force and a moment of couple lies the concept of torque. Torque is a measure of the force that can cause an object to rotate around an axis and is often used interchangeably with moments in mechanics. Moments of force and moments of couple are specific types of torques that act in different ways to produce rotational effects.
The force must couple to the object. The point of application of the force must be able to move in the direction of the force.
A couple produces rotational motion around a central axis.
A couple is a vector quantity because it has both magnitude (related to the moment of force) and direction (related to the axis of rotation).
Torque is the measure of the rotational force acting on an object, while couple refers to a pair of equal and opposite forces that are close together but not along the same line. Torque is a specific type of couple that results in rotational motion.
apply two forces , known as a couple
A couple.
A couple is two forces equal and opposite to each other and separated by a distance. The magnitude of the force times the distance is called a moment
When we mix additives in the oil/fluid, the forces which are present in the fluid opposes the forces of additives. This opposition makes a couple force and hence a couple stress is induced in the fluid. This type of fluid is known as couple stress fluid.
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When a vessel is floating upright, there are two forces acting on it. The buoyancy force acts upwards and the gravity force acts donwards, cancelling each other. If a heeling force acts upon it (such as a wave hitting it), these forces are upset, and then a couple is formed. If the ship is loaded properly, a righting couple results, bringing the ship upright. If the center of gravity is too low, then an upsetting couple will result, capsizing (overturning) the ship.
The resultant torque of a couple is the vector sum of the individual torques produced by the two equal and opposite forces that make up the couple. It is the product of the force magnitude and the perpendicular distance between the forces. The resultant torque of a couple is constant and does not cause linear acceleration but only rotational motion.