A person stands at the middle point of a wooden ladder which starts slipping between a vertical wall and the floor of a room, while continuing to remain in a vertical plane. The path traced by a person standing at the middle point of the slipping ladder is :
Answers
Answer:
so what's the question.
Circular path
Step-by-step explanation:
Suppose the wall is represented by the y-axis and the ground as the x-axis. Let the position of the man be given by M = (x, y).
Then,
since M is the midpoint of the ladder, the base of the ladder is at A = (2x, 0).
also, the point where it touches the wall is B = (0, 2y).
Now, AB is the length of the ladder so AB = constant.
Using Pythagoras's theorem,
(2x - 0)² + (0 - 2y)² = c
(2x - 0)² + (2y - 0)² = c
This is the equation of [a quadrant of] a circle with centre (0, 0) and radius = √c
hence , The path traced by a person standing at the middle point of the slipping ladder is circular
#Learn more :
Will the ladder slip if we add the weight of a person?
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