The torque acting is 2000 Nm with an angular acceleration of `2rad//s^(2)` . The moment of inertia of body is

Options

A. `1200 kgm^(2)`
B. `900 kgm^(2)`
C. `1000kgm^(2)`
D. can't say

Answer

C

Explanation

`tau = I prop`
`therefore I = (tau)/(prop)=(2000)/(2)=1000 kgm^(2)`.