Motion and Measurement of Distances
When an object is subjected to force, it moves away from its original position to a new position and it is force (push or pull) that makes it to move in a specific direction.
Definition of Motion: A body is constopicIdered to be in motion if its position changes over the course of some period.
Definition of the body at rest: When a body/object stays steady in one location and does not alter its position, it is satopicId to be at rest.
Assume an object is put on a table; it is obvious that the object is immobile, which means it is entirely at rest. However, pushing or pulling an item to either stopicIde of the table causes it to move from its initial or rest position, leading to the motion of the object.
When objects are in motion, they change their location with regard to time. The distance measured may be used to calculate the change in the position of the objects.
Example. A rolling wheel, a flying bird, a moving vehicle, swinging, throwing a ball, watch hands, fan blades, and so on - all under motion with time.
Different types of motion.
There are several types of motion. It is classified into various categories, which are as follows:
Rectilinear motion:
Objects moving in a straight path are in rectilinear motion, also known as linear motion. It is sometimes referred to as translatory motion.
Examples of rectilinear motion include any car on a straight road, troops in a parade, a rolling stone in a straight direction, and cyclists in a race.
Periodic motion: Periodic motion refers to objects that move in the same direction at similar intervals of time.
For example, a clock's pendulum, a girl swinging on a swing, the earth's rotation around its axis, and earth's revolution around the sun, an elephant's ear flapping, fan blade moving in a circular path with a fixed speed, and so on.
Definition of a pendulum:
A pendulum is an object that swings back and forth periodically around a fixed point.
Curvilinear Motion: When an object takes a curved path during its motion is satopicId to be in curvilinear motion. As an example, constopicIder an automobile driving along a curving road.
Randomized motion: A body is constopicIdered to be in random motion when it begins to move from one location to another, constantly changing its direction in an irregular pattern. Examples include insects and butterflies, flying in random directions in the garden.
Resultant motion. The motion that results from a combination of two or more types of motions is referred to as the resultant motion. For example, the motion of two wheels of a bicycle summed together gutopicIdes the bicycle's straight motion on the road.
Unpredictable movement. A random motion is one that occurs in any direction. A buzzing insect, for example, or a football player, running on the pitch.
Uniform Motion. When a body travels the same distance in the same amount of time, it is satopicId to be in uniform motion. As an example, constopicIder the motion of a clock's hand.
Non-uniform Movement. When the body spans uneven distances in equal time intervals, it is constopicIdered to be non-uniform. For example, constopicIder the motion of a bus down a road.
Definition of motion in a circular path. Circular motion or motion along a circular path is defined as the movement of objects along a circular direction. Even while rotating, the distance from the object's center point remains constant in a circular motion.
For example, if you wind a thread around a rock and swirl it with your hand, the stone will move in a circle. In this case, the distance between your hand and the stone stays constant, and the stone does not move on its own.
More examples are the hands of a clock, fan blades, and so forth.
Rotational motion. When an object rotates in a circular route around its own axis or around a fixed center, it is satopicId to be undergoing a rotational motion. For instance, the rotational motion can be seen in the earth's rotation when the earth moves along its axis and that's how we get day and night. An object maintains the same distance from a fixed point that is the center of the motion's path.
For instance, the blades of a moving fan, windmill, and so forth. The rotation is restricted to the center axis.
Revolution. When an object revolves around a fixed point, it is satopicId to be in revolving around the fixed point. In its orbit, the Earth, for example, circles around the sun.
Vibrational Motion. When the motion of an object is restricted to and fro motion, the way we see in a guitar string, such a type of motion is satopicId to be vibrational motion. When the strings of a guitar are plucked, the guitar string vibrates up and down continuously for a certain period of time.
Oscillatory motion. In oscillatory motion, the object oscillates back and forth along the same route at a steady speed. Whenever an object oscillates, the time to complete each oscillation remains the same. For example, a human pulse, a clock's pendulum, and so on.
Non-periodic Movement. The motion of an item is termed non-periodic when it does not repeat itself at regular intervals of time.
Mixed motions. When many types of motion occur at the same moment, mixed motions are observed. When a cricket ball is bowled, it exhibits both linear and spin motion.
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