1
MHT CET 2024 2nd May Evening Shift
MCQ (Single Correct Answer)
+1
-0

A solid sphere of mass ' $m$ ', radius ' $R$ ', having moment of inertia about an axis passing through center of mass as 'I' is recast into a disc of thickness ' $t$ ' whose moment of inertia about an axis passing through the rim (edge) \& perpendicular to plane remains 'I'. Then the radius of disc is

A
$\frac{2 \mathrm{R}}{\sqrt{15}}$
B
$\left(\sqrt{\frac{2}{15}}\right) \mathrm{R}$
C
$\frac{4 \mathrm{R}}{\sqrt{15}}$
D
$\frac{\mathrm{R}}{4}$
2
MHT CET 2024 2nd May Evening Shift
MCQ (Single Correct Answer)
+1
-0

An inclined plane makes an angle of $30^{\circ}$ with the horizontal. A solid sphere rolling down this inclined plane from rest without slipping has a linear acceleration ( $\mathrm{g}=$ acceleration due to gravity, $\sin 30^{\circ}=0.5$ )

A
$\frac{2 g}{3}$
B
$\frac{5 g}{14}$
C
$\frac{\mathrm{g}}{3}$
D
$\frac{5 g}{7}$
3
MHT CET 2024 2nd May Morning Shift
MCQ (Single Correct Answer)
+1
-0

An annular ring has mass 10 kg and inner and outer radii are 10 m and 5 m respectively. Its moment of inertia about an axis passing through its centre and perpendicular to its plane is

A
$525 \mathrm{~kgm}^2$
B
$625 \mathrm{~kgm}^2$
C
$525 \mathrm{~gcm}^2$
D
$625 \mathrm{~gcm}^2$
4
MHT CET 2023 14th May Evening Shift
MCQ (Single Correct Answer)
+1
-0

Four identical uniform solid spheres each of same mass '$$M$$' and radius '$$R$$' are placed touching each other as shown in figure, with centres A, B, C, D. $$\mathrm{I}_{\mathrm{A}}, \mathrm{I}_{\mathrm{B}}, \mathrm{I}_{\mathrm{C}}$$ and $$\mathrm{I}_{\mathrm{D}}$$ are the moment of inertia of these spheres respectively about an axis passing through centre and perpendicular to the plane. The difference in $$\mathrm{I}_{\mathrm{A}}$$, and $$\mathrm{I}_{\mathrm{B}}$$ is

MHT CET 2023 14th May Evening Shift Physics - Rotational Motion Question 86 English

A
24 MR$$^2$$
B
32 MR$$^2$$
C
56 MR$$^2$$
D
80 MR$$^2$$
MHT CET Subjects
EXAM MAP