Specifying a reference point provides a consistent and clear frame of reference from which the position of an object can be measured or described.
Discussion Forum Latest Questions
Straight-line motion will be described using simple equations and graphs. Later, the chapter will also discuss circular motion.
Objects may move in a straight line, take a circular path, rotate, vibrate, or exhibit a combination of these motions.
These different perceptions indicate that motion is relative and depends on the observer’s frame of reference.
Passengers inside the bus see their fellow passengers as being at rest because they are all moving at the same velocity as the bus.