Question

When an object is said to be in motion?​

Answer 1

You can describe the motion of an object by its position, speed, direction, and acceleration. An object is moving if its position relative to a fixed point is changing. Even things that appear to be at rest move.

Answer 2

• When the location of one object (with relation to another) varies over time, it is said to be in motion.
• Periodic motion is defined as a movement that repeats itself at regular intervals.
• An object's location varies with time, which is referred to as motion. Displacement, distance, velocity, acceleration, speed, and time are all concepts used to define motion quantitatively.
• A frame of reference is attached to an observer, and the change in location of the body relative to that frame is measured over time.
• Kinematics is the part of physics that studies the motion of things without regard to their source; dynamics is the branch that studies forces and their influence on motion.