Rotational MotionMedium
Question
If there is change of angular momentum from 1J to5J in 5 second. Then the torque is :
Options
A.
B.
C.
D.none of these
Solution
Torque = 
Here ᐃL = 5J- J = 4J
ᐃt = 5sec torque =
Here ᐃL = 5J- J = 4J
ᐃt = 5sec torque =
Create a free account to view solution
View Solution FreeMore Rotational Motion Questions
Two identical solid cylinders run a race starting from rest at the top of an inclined plane. If one cylinder slides and ...A uniform disc of radius R lies in the x-y plane with its centre at the origin. Its moment of inertia about z axis is eq...A tangential force F acts at the rim of a ring of radius R and causes the ring to turn through an angle θ. The work...A cylinder of mass 10 kg is rolling in a plane with an initial velocity of 10m/s. If the coefficient of friction between...The position of an object having mass 0.1 kg as a function of time $t$ is given as $\overrightarrow{r} = \left( 10t^{2}\...