Question

what is force❓❓

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Answer 1

Answer:

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Explanation:

In physics, a force is any interaction that, when unopposed, will change the motion of an object. A force can cause an object with mass to change its velocity (which includes to begin moving from a state of rest), i.e., to accelerate. Force can also be described intuitively as a push or a pull. A force has both magnitude and direction, making it a vector quantity. It is measured in the SI unit of newtons and represented by the symbol F.The original form of Newton's second law states that the net force acting upon an object is equal to the rate at which its momentum changes with time. If the mass of the object is constant, this law implies that the acceleration of an object is directly proportional to the net force acting on the object, is in the direction of the net force, and is inversely proportional to the mass of the object.

Concepts related to force include: thrust, which increases the velocity of an object; drag, which decreases the velocity of an object; and torque, which produces changes in rotational speed of an object. In an extended body, each part usually applies forces on the adjacent parts; the distribution of such forces through the body is the internal mechanical stress. Such internal mechanical stresses cause no acceleration of that body as the forces balance one another. Pressure, the distribution of many small forces applied over an area of a body, is a simple type of stress that if unbalanced can cause the body to accelerate. Stress usually causes deformation of solid materials, or flow in fluids.

Answer 2

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what is force ?

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When we talk about time flowing forward we mean that the state of the machine changes in a specific direction, e.g. a clock ticks forwards, and the second law of thermodynamics tells us that it changes in the direction of increasing entropy.

strength or energy as an attribute of physical action or movement:

strength or energy as an attribute of physical action or movement:"he was thrown backward by the force of the explosion"

strength or energy as an attribute of physical action or movement:"he was thrown backward by the force of the explosion"synonyms

strength or energy as an attribute of physical action or movement:"he was thrown backward by the force of the explosion"synonymsstrength, power, energy, might, potency, ... moreantonyms

strength or energy as an attribute of physical action or movement:"he was thrown backward by the force of the explosion"synonymsstrength, power, energy, might, potency, ... moreantonymsweakness.

Force, in mechanics, any action that tends to maintain or alter the motion of a body or to distort it. The concept of force is commonly explained in terms of Isaac Newton’s three laws of motion set forth in his Principia Mathematica (1687). According to Newton’s first principle, a body that is at rest or moving at a uniform rate in a straight line will remain in that state until some force is applied to it. The second law says that when an external force acts on a body, it produces an acceleration (change in velocity) of the body in the direction of the force. The magnitude of the acceleration is directly proportional to the magnitude of the external force and inversely proportional to the quantity of matter in the body.