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It can measured by calculating distance covered by the moving object in certain period of time.
distance covered by the object per unit time is the speed of the object.
When an object is moving, it is called kinetic energy.
To make an object start moving is called acceleration, and it is done by exerting force on that object.
When an object is seen moving in relation to a stationary object is called the frame of reference
It can measured by calculating distance covered by the moving object in certain period of time.
distance covered by the object per unit time is the speed of the object.
When an object is moving, it is called kinetic energy.
To make an object start moving is called acceleration, and it is done by exerting force on that object.
the object's displacement.
When an object is seen moving in relation to a stationary object is called the frame of reference
An object moving at the speed of light.
It's called the "scale."
UFO
Spaceship
Inertia
It is called inertia.