ROTATIONAL VARIABLES
Rotational Motion

269286 The correct relation of the following is

1 \(\vec{\tau}=\vec{r} \cdot \vec{F}\)
2 \(\vec{\tau}=\vec{r} \times \vec{F}\)
3 \(\vec{\tau}=\frac{\vec{F}}{\vec{r}}\)
4 \(\vec{\tau}=\vec{r}+\vec{F}\)
Rotational Motion

269287 Two particles \(p\) and \(q\) located at distances \(r_{p}\) and ' \(r_{q}\) ' respectively from thecentre of a rotating disc such that \(r_{p}\lt r_{q}\).

1 both\(p\) and \(q\) have the same acceleration
2 both p and q do not have any acceleration
3 '\(p\) ' has greater acceleration than ' \(q\) '
4 '\(q\) ' has greater acceleration than ' \(p\) '
Rotational Motion

269288 When a constant torque is applied on a rigid body, then

1 the body moves with linear acceleration
2 the body rotates with constant angular velocity
3 the body rotates with constant angular acceleration
4 the body undergoes equal angular displacement in equal intervals of time
Rotational Motion

269289 Identify the increasing order of the angular velocities of the following (E-2005)
a) earth rotating about its own axis
b) hours hand of a clock
c) seconds hand of a clock
d) fly wheel of radius \(2 \mathrm{~m}\) making \(300 \mathrm{rps}\)

1 \(a,b,c,d\)
2 \(b, c, d, a\)
3 \(c, d, a, b\)
4 \(d,a,b,c\)
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Rotational Motion

269286 The correct relation of the following is

1 \(\vec{\tau}=\vec{r} \cdot \vec{F}\)
2 \(\vec{\tau}=\vec{r} \times \vec{F}\)
3 \(\vec{\tau}=\frac{\vec{F}}{\vec{r}}\)
4 \(\vec{\tau}=\vec{r}+\vec{F}\)
Rotational Motion

269287 Two particles \(p\) and \(q\) located at distances \(r_{p}\) and ' \(r_{q}\) ' respectively from thecentre of a rotating disc such that \(r_{p}\lt r_{q}\).

1 both\(p\) and \(q\) have the same acceleration
2 both p and q do not have any acceleration
3 '\(p\) ' has greater acceleration than ' \(q\) '
4 '\(q\) ' has greater acceleration than ' \(p\) '
Rotational Motion

269288 When a constant torque is applied on a rigid body, then

1 the body moves with linear acceleration
2 the body rotates with constant angular velocity
3 the body rotates with constant angular acceleration
4 the body undergoes equal angular displacement in equal intervals of time
Rotational Motion

269289 Identify the increasing order of the angular velocities of the following (E-2005)
a) earth rotating about its own axis
b) hours hand of a clock
c) seconds hand of a clock
d) fly wheel of radius \(2 \mathrm{~m}\) making \(300 \mathrm{rps}\)

1 \(a,b,c,d\)
2 \(b, c, d, a\)
3 \(c, d, a, b\)
4 \(d,a,b,c\)
Rotational Motion

269286 The correct relation of the following is

1 \(\vec{\tau}=\vec{r} \cdot \vec{F}\)
2 \(\vec{\tau}=\vec{r} \times \vec{F}\)
3 \(\vec{\tau}=\frac{\vec{F}}{\vec{r}}\)
4 \(\vec{\tau}=\vec{r}+\vec{F}\)
Rotational Motion

269287 Two particles \(p\) and \(q\) located at distances \(r_{p}\) and ' \(r_{q}\) ' respectively from thecentre of a rotating disc such that \(r_{p}\lt r_{q}\).

1 both\(p\) and \(q\) have the same acceleration
2 both p and q do not have any acceleration
3 '\(p\) ' has greater acceleration than ' \(q\) '
4 '\(q\) ' has greater acceleration than ' \(p\) '
Rotational Motion

269288 When a constant torque is applied on a rigid body, then

1 the body moves with linear acceleration
2 the body rotates with constant angular velocity
3 the body rotates with constant angular acceleration
4 the body undergoes equal angular displacement in equal intervals of time
Rotational Motion

269289 Identify the increasing order of the angular velocities of the following (E-2005)
a) earth rotating about its own axis
b) hours hand of a clock
c) seconds hand of a clock
d) fly wheel of radius \(2 \mathrm{~m}\) making \(300 \mathrm{rps}\)

1 \(a,b,c,d\)
2 \(b, c, d, a\)
3 \(c, d, a, b\)
4 \(d,a,b,c\)
Rotational Motion

269286 The correct relation of the following is

1 \(\vec{\tau}=\vec{r} \cdot \vec{F}\)
2 \(\vec{\tau}=\vec{r} \times \vec{F}\)
3 \(\vec{\tau}=\frac{\vec{F}}{\vec{r}}\)
4 \(\vec{\tau}=\vec{r}+\vec{F}\)
Rotational Motion

269287 Two particles \(p\) and \(q\) located at distances \(r_{p}\) and ' \(r_{q}\) ' respectively from thecentre of a rotating disc such that \(r_{p}\lt r_{q}\).

1 both\(p\) and \(q\) have the same acceleration
2 both p and q do not have any acceleration
3 '\(p\) ' has greater acceleration than ' \(q\) '
4 '\(q\) ' has greater acceleration than ' \(p\) '
Rotational Motion

269288 When a constant torque is applied on a rigid body, then

1 the body moves with linear acceleration
2 the body rotates with constant angular velocity
3 the body rotates with constant angular acceleration
4 the body undergoes equal angular displacement in equal intervals of time
Rotational Motion

269289 Identify the increasing order of the angular velocities of the following (E-2005)
a) earth rotating about its own axis
b) hours hand of a clock
c) seconds hand of a clock
d) fly wheel of radius \(2 \mathrm{~m}\) making \(300 \mathrm{rps}\)

1 \(a,b,c,d\)
2 \(b, c, d, a\)
3 \(c, d, a, b\)
4 \(d,a,b,c\)