1
KCET 2021
MCQ (Single Correct Answer)
+1
-0

In figure $$E$$ and $$v_{\mathrm{cm}}$$ represent the total energy and speed of centre of mass of an object of mass $$1 \mathrm{~kg}$$ in pure rolling. The object is

KCET 2021 Physics - Rotational Motion Question 4 English

A
sphere
B
ring
C
disc
D
hollow cylinder
2
KCET 2020
MCQ (Single Correct Answer)
+1
-0

A wheel starting from rest gains an angular velocity of $$10 \mathrm{~rad} / \mathrm{s}$$ after uniformly accelerated for $$5 \mathrm{~s}$$. The total angle through which it has turned is

A
$$25 \mathrm{~rad}$$
B
$$100 \mathrm{~rad}$$
C
$$25 \pi \mathrm{~rad}$$
D
$$50 \pi \mathrm{~rad}$$ and a vertical axis
3
KCET 2020
MCQ (Single Correct Answer)
+1
-0

A thin uniform rectangular plate of mass $$2 \mathrm{~kg}$$ is placed in $$x y$$-plane as shown in figure. The moment of inertial about $$x$$-axis is $$I_x=0.2 \mathrm{~kgm}^2$$ and the moment of inertia about $$Y$$-axis is $$I_y=0.3 \mathrm{~kgm}^2$$. The radius of gyration of the plate about the axis passing through $$O$$ and perpendicular to the plane of the plate is

KCET 2020 Physics - Rotational Motion Question 2 English

A
50 cm
B
5 cm
C
38.7 cm
D
31.6 cm
4
KCET 2019
MCQ (Single Correct Answer)
+1
-0

A particle is moving uniformly along a straight line as shown in the figure. During the motion of the particle from $$A$$ to $$B$$, the angular momentum of the particle about $$O$$

KCET 2019 Physics - Rotational Motion Question 1 English

A
increase
B
decrease
C
remains constant
D
first increase then decrease
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