NEET Questions Solved


Three point masses ,m, each are placed at the vertices of an equilateral triangle of side a. Moment of inertia of the system about an axis COD passing through a mass m at and lying in the plane of COA & perpendicu- lar to OA is A) 2 ma (C) ^ ma? 7 na

Concept Videos :-

#10 | Moment of Inertia (MI): Introduction
#11 | MI: Discreet Particles
#12 | MI: Continuous Bodies_1
#13 | MI: Questions on Continuous Bodies
#14 | MI: Continuous Bodies_2
#15 | Theorems of Moment of Inertia
#16 | Questions on Theorems of MI
#17 | Set 1: Previous Year Problems

Concept Questions :-

Moment of inertia
Explanation is a part of a Paid Course. To view Explanation Please buy the course.

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ABC is a right angled triangular plate of uniform thickness. The sides are such that AB> BC as shown in figure. I, I2 and I3 are moments of inertia about AB, BCand AC respectively Then, which of the following relation is correct? 3 2 (a) 2 13 (c) 13 < 12 < 11 (b) I2 > I1> I3 (d) I3 > 11> I2

Concept Videos :-

#10 | Moment of Inertia (MI): Introduction
#11 | MI: Discreet Particles
#12 | MI: Continuous Bodies_1
#13 | MI: Questions on Continuous Bodies
#14 | MI: Continuous Bodies_2
#15 | Theorems of Moment of Inertia
#16 | Questions on Theorems of MI
#17 | Set 1: Previous Year Problems

Concept Questions :-

Moment of inertia
Explanation is a part of a Paid Course. To view Explanation Please buy the course.

Difficulty Level:


One solid sphere A and another hollow sphere B are of same mass and same outer radii. Their moment of inertia about their di- ameters are respectively lA and lg such that (A) IA9 (B) A le (C) Aa

Concept Videos :-

#10 | Moment of Inertia (MI): Introduction
#11 | MI: Discreet Particles
#12 | MI: Continuous Bodies_1
#13 | MI: Questions on Continuous Bodies
#14 | MI: Continuous Bodies_2
#15 | Theorems of Moment of Inertia
#16 | Questions on Theorems of MI
#17 | Set 1: Previous Year Problems

Concept Questions :-

Moment of inertia
Explanation is a part of a Paid Course. To view Explanation Please buy the course.

Difficulty Level:


For the same total mass which of the follow- ing will have the largest moment of inertia about an axis passing through the centre of gravity and perpendicular to the plane of the body? (A) a disc of radius a (B) a ring of radius a (C) a square lamina of side 2 a (D) four rods forming square of side 2 a.

Concept Videos :-

#10 | Moment of Inertia (MI): Introduction
#11 | MI: Discreet Particles
#12 | MI: Continuous Bodies_1
#13 | MI: Questions on Continuous Bodies
#14 | MI: Continuous Bodies_2
#15 | Theorems of Moment of Inertia
#16 | Questions on Theorems of MI
#17 | Set 1: Previous Year Problems

Concept Questions :-

Moment of inertia
Explanation is a part of a Paid Course. To view Explanation Please buy the course.

Difficulty Level:


The radius of gyration of a uniform rod of length L about an axis passing through its centre of mass is 2/3 12 /3 /2

Concept Videos :-

#10 | Moment of Inertia (MI): Introduction
#11 | MI: Discreet Particles
#12 | MI: Continuous Bodies_1
#13 | MI: Questions on Continuous Bodies
#14 | MI: Continuous Bodies_2
#15 | Theorems of Moment of Inertia
#16 | Questions on Theorems of MI
#17 | Set 1: Previous Year Problems

Concept Questions :-

Moment of inertia
Explanation is a part of a Paid Course. To view Explanation Please buy the course.

Difficulty Level:


Two uniform, thin identical rods each of mass Mand length l are joined together to form a cross. What will be the moment of inertia of the cross about an axis passing through the point at which the two rods are joined and perpendicular to the plane of the cross MIi2 6 Ml 12 Mi2 4 (d) ~- 3

Concept Videos :-

#10 | Moment of Inertia (MI): Introduction
#11 | MI: Discreet Particles
#12 | MI: Continuous Bodies_1
#13 | MI: Questions on Continuous Bodies
#14 | MI: Continuous Bodies_2
#15 | Theorems of Moment of Inertia
#16 | Questions on Theorems of MI
#17 | Set 1: Previous Year Problems

Concept Questions :-

Moment of inertia
Explanation is a part of a Paid Course. To view Explanation Please buy the course.

Difficulty Level:


The moment of inertia of a rod about an axis through its centre and perpendicular to it is 12M (where M is the mass and L is the length of the rod). The rod is bent in the middle so that the two halves make an angle of 60°. The moment of inertia of the bent rod about the same axis would be MH CET 2001; AIIMS 2006; CBSE PMT 2008] (a) ML2 (b) ML 48 12 ML2 83 (c) AML2 24

Concept Videos :-

#10 | Moment of Inertia (MI): Introduction
#11 | MI: Discreet Particles
#12 | MI: Continuous Bodies_1
#13 | MI: Questions on Continuous Bodies
#14 | MI: Continuous Bodies_2
#15 | Theorems of Moment of Inertia
#16 | Questions on Theorems of MI
#17 | Set 1: Previous Year Problems

Concept Questions :-

Moment of inertia
Explanation is a part of a Paid Course. To view Explanation Please buy the course.

Difficulty Level:


One circular ring and one circular disc both having the same mass and radius. The ratio of their moments of inertia about the axes passing through their centres and perpendicular to planes will be (a) 1 1 (b) 2 (c) 1:2 d) 4:1

Concept Videos :-

#10 | Moment of Inertia (MI): Introduction
#11 | MI: Discreet Particles
#12 | MI: Continuous Bodies_1
#13 | MI: Questions on Continuous Bodies
#14 | MI: Continuous Bodies_2
#15 | Theorems of Moment of Inertia
#16 | Questions on Theorems of MI
#17 | Set 1: Previous Year Problems

Concept Questions :-

Moment of inertia
Explanation is a part of a Paid Course. To view Explanation Please buy the course.

Difficulty Level:


Figure shows a uniform solid block of mass Mand edge lengths a, b and c. Its M.l. about an axis through one edge and perpendicu- lar (as shown) to the large face of the block is 7M (0) 12 ((0) 2 ('. D)

Concept Videos :-

#10 | Moment of Inertia (MI): Introduction
#11 | MI: Discreet Particles
#12 | MI: Continuous Bodies_1
#13 | MI: Questions on Continuous Bodies
#14 | MI: Continuous Bodies_2
#15 | Theorems of Moment of Inertia
#16 | Questions on Theorems of MI
#17 | Set 1: Previous Year Problems

Concept Questions :-

Moment of inertia
Explanation is a part of a Paid Course. To view Explanation Please buy the course.

Difficulty Level:


The moment of inertia of a cube of mass m and side a about one of its edges is equal to (a) ~ ma 4 3 3

Concept Videos :-

#10 | Moment of Inertia (MI): Introduction
#11 | MI: Discreet Particles
#12 | MI: Continuous Bodies_1
#13 | MI: Questions on Continuous Bodies
#14 | MI: Continuous Bodies_2
#15 | Theorems of Moment of Inertia
#16 | Questions on Theorems of MI
#17 | Set 1: Previous Year Problems

Concept Questions :-

Moment of inertia
Explanation is a part of a Paid Course. To view Explanation Please buy the course.

Difficulty Level: