Sit on the floor with your legs straight out, raise your straight arm out with your thumb up such that your thumb aligns with one of your big toes, rapidly blink your left and right eye, and observe how your big toe appears to shift positions. This demonstration is an example of _________________.
A)Newton's first law
B)uniform circular motion
C)parallax
D)retrograde motion

Question

Quizplus · Accepted Answer

This demonstration is an example of parallax, which is the apparent shift in position of an object when viewed from different angles. As the observer blinks their eyes, their viewing angle slightly changes and causes the big toe to appear to shift positions relative to the raised arm and thumb.

Sit on the Floor with Your Legs Straight Out, Raise