AIEEE 2006 | Rotational Motion Question 249 | Physics

Four point masses, each of value $$m,$$ are placed at the corners of a square $$ABCD$$ of side $$l$$. The moment of inertia of this system about an axis passing through $$A$$ and parallel to $$BD$$ is

$$2m{l^2}$$

$$\sqrt 3 m{l^2}$$

$$3m{l^2}$$

$$m{l^2}$$

AIEEE 2006

MCQ (Single Correct Answer)

-1

A force of $$ - F\widehat k$$ acts on $$O,$$ the origin of the coordinate system. The torque about the point $$(1, -1)$$ is AIEEE 2006 Physics - Rotational Motion Question 238 English

AIEEE 2006 Physics - Rotational Motion Question 238 English

$$F\left( {\widehat i - \widehat j} \right)$$

$$ - F\left( {\widehat i + \widehat j} \right)$$

$$F\left( {\widehat i + \widehat j} \right)$$

$$ - F\left( {\widehat i - \widehat j} \right)$$

AIEEE 2005

MCQ (Single Correct Answer)

-1

An annular ring with inner and outer radii $${R_1}$$ and $${R_2}$$ is rolling without slipping with a uniform angular speed. The ratio of the forces experienced by the two particles situated on the inner and outer parts of the ring, $${{{F_1}} \over {{F_2}}}\,$$ is

$${\left( {{{{R_1}} \over {{R_2}}}} \right)^2}$$

$${{{{R_2}} \over {{R_1}}}}$$

$${{{{R_1}} \over {{R_2}}}}$$

$$1$$

AIEEE 2005

MCQ (Single Correct Answer)

-1

The moment of inertia of a uniform semicircular disc of mass $$M$$ and radius $$r$$ about a line perpendicular to the plane of the disc through the center is

$${2 \over 5}M{r^2}$$

$${1 \over 4}Mr$$

$${1 \over 2}M{r^2}$$

$$M{r^2}$$

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