Question

Какая физическая виличина называется силой? срочно !!!!!

Answer 1

Ответ:

Объяснение:

Сила – это физическая величина, которая является количественной характеристикой взаимодействия тел или, говоря проще, сила – это мера взаимодействия тел.

Answer 2

What is the physical quantity called force?

The physical quantity called force is a fundamental concept in physics. It is defined as an interaction that can cause an object to accelerate, change its shape, or deform. Force is typically represented by the symbol F and is measured in units called newtons (N).

Force can be described as a push or a pull exerted on an object. It can be applied through direct contact (contact force) or without direct contact (non-contact force). Some common examples of forces include gravity, friction, tension, and electromagnetic forces.

Gravity is a force that attracts objects towards each other. It is responsible for the weight of an object and is always directed towards the center of the Earth.

Friction is a force that opposes the motion of an object when it comes into contact with another surface. It can be caused by the roughness of the surfaces or the presence of fluids.

Tension is a force that is transmitted through a string, rope, or cable when it is pulled at both ends. It is always directed along the length of the string.

Electromagnetic forces are forces that arise due to the interaction between electrically charged particles. They include forces such as electrostatic forces and magnetic forces.

It is important to note that force is a vector quantity, which means it has both magnitude and direction. The direction of the force is usually indicated by an arrow in diagrams or equations.

Force can be calculated using Newton's second law of motion, which states that the force acting on an object is equal to the mass of the object multiplied by its acceleration (F = ma).