AIEEE 2006 | Rotational Motion Question 198 | Physics

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 186 English

AIEEE 2006 Physics - Rotational Motion Question 186 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

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

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

$${1 \over 4}Mr$$

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

$$M{r^2}$$

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 2004

MCQ (Single Correct Answer)

-1

One solid sphere $$A$$ and another hollow sphere $$B$$ are of same mass and same outer radii. Their moment of inertia about their diameters are respectively $${I_A}$$ and $${I_B}$$ such that

$${I_A} < {I_B}$$

$${I_A} > {I_B}$$

$${I_A} = {I_B}$$

$${{{I_A}} \over {{I_B}}} = {{{d_A}} \over {{d_B}}}$$ where $${d_A}$$ and $${d_B}$$ are their densities.

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