Motion

Motion is a phenomenon that involves the movement of an object from one place to another. It is a fundamental concept in the field of physics, which studies the natural phenomena involving matter and its motion and behavior through space and time, along with related concepts such as energy and force.

Types of Motion

There are several types of motion, including:

• Linear motion: This is motion along a straight line, and can therefore be described mathematically using one spatial dimension.

• Rotational motion: This is a movement of an object in a circular path around a center (or point) of rotation.

• Periodic motion: This is motion that repeats itself in a regular cycle, such as a pendulum swinging back and forth.

• Brownian motion: This is the random motion of particles suspended in a fluid (a liquid or a gas) resulting from their collision with the fast atoms or molecules in the gas or liquid.

Laws of Motion

The laws of motion, as described by Isaac Newton, are three physical laws that form the foundation for classical mechanics. They describe the relationship between a body and the forces acting upon it, and its motion in response to those forces.

• Newton's first law: An object at rest tends to stay at rest and an object in motion tends to stay in motion with the same speed and in the same direction unless acted upon by an unbalanced force.

• Newton's second law: The acceleration of an object as produced by a net force is directly proportional to the magnitude of the net force, in the same direction as the net force, and inversely proportional to the mass of the object.

• Newton's third law: For every action, there is an equal and opposite reaction.

See Also

• Kinematics
• Dynamics (physics)
• Speed
• Velocity
• Acceleration

Motion Resources
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