JEE Main 2016 — Work Power Energy Question with Solution
JEE Main 2016 (10 Apr Online)
Question
Concrete mixture is made by mixing cement, stone and sand in a rotating cylindrical drum. If the drum rotates too fast, the ingredients remain stuck to the wall of the drum and proper mixing of ingredients does not take place. The maximum rotational speed of the drum in revolutions per minute (rpm) to ensure proper mixing is close to :
(Take the radius of the drum to be 1.25 m and its axle to be horizontal) :
(Take the radius of the drum to be 1.25 m and its axle to be horizontal) :
Choose an option
Show full solutionCorrect option: A
Correct answer
A27.0
Step-by-step explanation
To break the circular motion max velocity at top point
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This is a previous-year question from JEE Main 2016, covering the Work Power Energy chapter of Physics. PrepSharp catalogues every PYQ from JEE Main with a verified answer key and step-by-step solution prepared by IIT alumni — so you can search by chapter, topic or year and revise efficiently.