Question

The curve traced out by a point on a straight line which rolls without slipping on the circumference of circle is

Option 1:
Cycloid

Option 2:
Archimedean spiral

Option 3:
Involute

Option 4:
None of the above​

Answer 1

Answer:

Option 4:

None of the above

Answer 2

Answer:

option 3 is your answer..