A circular disc X of radius R is made from an iron plate of thickness t, and another disc…
Physics · JEE Main · NTA Exams — Rotational Motion
A circular disc X of radius R is made from an iron plate of thickness t, and another disc Y of radius 4R is made from an iron plate of thickness t/4. Then the relation between the moment of inertia IX and IY is :
- IY = 32 IX
- IY = 16 IX
- IY = IX
- IY = 64 IX
Answer
(D) I Y = 64 I X
Sign up free on Edukali to view the step-by-step worked solution and practice thousands of similar questions.
Related practice questions
- The driving side belt has a tension of 1600 N and the slack side has 500 N tension. The belt turns a pulley…
- A stone of mass m is tied to a string of length L and rotated in a circle with a constant speed v, if the…
- Given below are two statements. STATEMENT - 1: The radius of gyration of a solid sphere having radius R is…
- A particle moves along a circle of radius ( 20 ) m with constant tangential acceleration. If the velocity of…
- Two cars of masses m 1 and m 2 are moving along the circular path of radius r 1 and r 2 . They take one round…
- A rigid body rotates with an angular momentum L. If its rotational kinetic energy is made 4 times, its…
- A grinding wheel attained a velocity of 20 rad/sec in 5 sec starting from rest. Find the number of…
- In the pulley system shown, if radii of the bigger and smaller pulley are 2 m and 1m respectively and the…
More Rotational Motion questions · Browse all practice questions