Relative motion is the motion of one object in relation to another object. It describes how the position, velocity, and acceleration of one object changes in relation to the other object.
Absolute motion refers to the motion of an object with respect to a fixed reference point, such as the Earth's surface. Relative motion, on the other hand, takes into account the motion of one object with respect to another object, rather than a fixed reference point.
The relative motion of two particles can be affected by the distance between the particles, the masses of the particles, and the forces acting upon the particles, such as gravity or friction.
Relative motion can be calculated using vector operations, such as addition and subtraction of velocities and accelerations. The relative velocity and acceleration between the two particles can be found by subtracting the velocity and acceleration of one particle from the other.
Understanding relative motion is important in many fields of science, such as physics, astronomy, and engineering. It allows us to accurately describe and predict the motion of objects in relation to each other, which is crucial in practical applications such as space travel and satellite navigation.