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Mechanics

# Mechanics

### The nature

The nature consists of diverse bodies, which we call physical bodies. All the bodies that surround us consist of a substance. Some physical bodies are made of one substance and some of several types of substances. For example, the...

### Methods of Physics

Research of the natural sciences began in ancient times. Some important discoveries in physics came from a theoretical approach, and on the other hand, some discoveries resulted from the experiment. Some discoveries occurred by an accident or as a...

### The Gravity Force, Weight, and The Center of Gravity

When we hold an item in our hand, it presses our hand downwards. The force by which the body presses the horizontal surface on which it stands is called the weight of the body. The gravity force and the weight...

### Newton’s Second Law: The Law of Force

Newton's Second Law is one of the basic laws of mechanics. And it speaks about how much acceleration a body mass m gets if the force F is affected by it. The body moves at a constant speed or...

### History of Physics – Movement and Gravitational Interaction

Aristotle (384-322) studied many fields like philosophy and the natural sciences. Among other things, he studied the movement. He thought that the natural place of the air is up and the water was down. Although his theory is not...

### Straight Linear Motion

The simplest example of straight linear motion is the straight line movement at constant speed. A linear movement is a movement where the body travels equal lengths during the same amounts of time. Example: A car has passed the lengths...

### Newton’s Law of Gravity

Gravitational Interaction   Gravity is an invisible force that draws all the bodies in the Universe to each other. Solar gravity keeps the planets in their orbits. Earth's gravity 'ensures' that the Moon circulates in its orbit around the Earth. The...

### Graphical representation of speed in uniform motion

The figure shows the axis of the traveled path and the value of time in seconds.   During the movement of cars we measure the length of the road (distance) and the time of movement.   When we apply the time expressed in...