A torque of 400 Nm acting on a body of mass 40 kg produces an angular acceleration of rad/s^2 calculate moment of inertia of the body
Answers
Answered by
9
Given:
A torque of 400 Nm acting on a body of mass 40 kg produces an angular
acceleration of 20 rad/s²
To Find:
Moment of Inertia of the body
Solution:
We know that,
Here,
- I = Moment of Inertia
- τ = Torque
- α = Angular Acceleration
According to the Question,
We are asked to find the Moment of Inertia of the body
Given that,
A torque of 400 Nm acting on a body of mass 40 kg produces an angular
acceleration of 20 rad/s²
Therefore,
- τ = 400 Nm
- α = 20 rad/s²
Hence,
Substituting the above values,
We get,
Therefore,
Moment of Inertia = 20 Kgm²
Answered by
2
Given ,
Torque (T) = 400 N•m
Angular acceleration (α) = 20 rad/s²
We know that ,
Torque (T) is the product of moment of inertia and angular acceleration
It is denoted by " T "
The SI unit of torque is N•m
It is vector quantity
Thus ,
400 = I × 20
I = 400/20
I = 2 Kg•m²
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