1
JEE Main 2022 (Online) 30th June Morning Shift
Numerical
+4
-1
Change Language

Four particles with a mass of 1 kg, 2 kg, 3 kg and 4 kg are situated at the corners of a square with side 1 m (as shown in the figure). The moment of inertia of the system, about an axis passing through the point O and perpendicular to the plane of the square, is ______________ kg m2.

JEE Main 2022 (Online) 30th June Morning Shift Physics - Rotational Motion Question 53 English

Your input ____
2
JEE Main 2022 (Online) 29th June Evening Shift
Numerical
+4
-1
Change Language

The moment of inertia of a uniform thin rod about a perpendicular axis passing through one end is I1. The same rod is bent into a ring and its moment of inertia about a diameter is I2. If $${{{I_1}} \over {{I_2}}}$$ is $${{x{\pi ^2}} \over 3}$$, then the value of x will be ____________.

Your input ____
3
JEE Main 2022 (Online) 28th June Evening Shift
Numerical
+4
-1
Change Language

A uniform disc with mass M = 4 kg and radius R = 10 cm is mounted on a fixed horizontal axle as shown in figure. A block with mass m = 2 kg hangs from a massless cord that is wrapped around the rim of the disc. During the fall of the block, the cord does not slip and there is no friction at the axle. The tension in the cord is ____________ N.

(Take g = 10 ms$$-$$2)

JEE Main 2022 (Online) 28th June Evening Shift Physics - Rotational Motion Question 63 English

Your input ____
4
JEE Main 2022 (Online) 28th June Morning Shift
Numerical
+4
-1
Change Language

The position vector of 1 kg object is $$\overrightarrow r = \left( {3\widehat i - \widehat j} \right)m$$ and its velocity $$\overrightarrow v = \left( {3\widehat j + \widehat k} \right)m{s^{ - 1}}$$. The magnitude of its angular momentum is $$\sqrt x $$ Nm where x is ___________.

Your input ____
JEE Main Subjects
EXAM MAP
Medical
NEET
Graduate Aptitude Test in Engineering
GATE CSEGATE ECEGATE EEGATE MEGATE CEGATE PIGATE IN
Civil Services
UPSC Civil Service
CBSE
Class 12