Motion: 3rd quarter

What is motion?

Motion is the act or process of moving, or a particular action or movement of an object brought by force.

Motion is exhibited by a change in position.

The terms speed, velocity and acceleration are used to describe motion.

Types of Motion

Rectilinear motion is when an object moves in a straight line. It can be described using displacement, velocity, and acceleration. Examples include a car on a straight road, a falling ball, or a train on a straight track.

Curvilinear motion is the movement of an object along a curved path, combining linear motion (movement in a straight line) and rotational motion (movement around a fixed axis). Examples include a car on a curved road or a planet orbiting the sun.

Angular motion is the rotation of an object around a fixed point or axis. It is not linear motion along a straight path. Angular motion is described by angular displacement, velocity, and acceleration. It is studied in physics and engineering to understand rotating objects.

What is Reference point?

A reference point or Initial position is a location or object used to describe the position or motion of other objects. It serves as a fixed point of comparison to determine the relative position or change in position of an object.

What is Distance?

Distance in motion refers to the total length or extent covered by an object or person during its motion. It is a scalar quantity and is typically measured in units such as meters (m) or kilometers (km). Distance is the actual path traveled by an object, regardless of its direction.

What is Displacement?

Displacement in motion is the change in position of an object from its initial to final position. It considers both magnitude and direction. It is calculated by subtracting the initial position vector from the final position vector. It is symbolized as Δx or s and measured in units like meters or kilometers.

What is the difference between distance and displacement?

Distance and displacement are terms used in physics to describe an object's position.

Distance is the total length of the path traveled, regardless of direction. It is always positive and a scalar quantity. For example, if you walk 5 meters east and then 3 meters west, the total distance is 8 meters.

Displacement is the change in position from the starting point to the ending point. It includes both magnitude and direction, making it a vector quantity. For example, if you walk 5 meters east and then 3 meters west, the displacement is 2 meters east.

What is the formula for calculating distance and how will you calculate distance?

Formula: dT= d1 + d2 + d3 + d4 + d5=

How to calculate?

Just add.

What is the formula for calculating displacement and how do you calculate it?

Formula: dT= √dx² + dy²