Easy
$A$ flywheel is constructed such that its entire mass is concentrated at its rim,because......
- AIt increases the moment of inertia of the flywheel.
- BIt decreases the moment of inertia of the flywheel.
- CIt increases the speed of the flywheel.
- DIt increases the power of the flywheel.
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Similar Questions
$A$ thin wire of length $l$ and mass $m$ is bent in the form of a semicircle. The moment of inertia about an axis perpendicular to its plane and passing through the end of the wire is .............
Medium
View SolutionTwo loops $A$ and $B$ of radii $R_1$ and $R_2$ are made from a uniform wire. If the moment of inertia of $A$ is $I_A$ and that of $B$ is $I_B$,then find the ratio $R_2 / R_1$ given that $I_A / I_B = 27$.
Assertion $(A)$: The moment of inertia of a steel sphere is larger than the moment of inertia of a wooden sphere of the same radius.
Reason $(R)$: Moment of inertia is independent of the mass of the body.
The correct one is:
Reason $(R)$: Moment of inertia is independent of the mass of the body.
The correct one is:
Three particles of mass $m$ each are placed at the three vertices of an equilateral triangle. The length of each side of the triangle is $a$. The moment of inertia of this system about any side of the triangle is:
Difficult
View SolutionObtain the expression for the moment of inertia and define it. What are the factors on which the moment of inertia depends? Write its unit and dimensional formula.
Medium
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