Rotational Motion of Rigid Body
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PHXI07:SYSTEMS OF PARTICLES AND ROTATIONAL MOTION

366079 A disc has mass ' \(M\) ' and radius ' \(R\) '. How much tangential force should be applied to the rim of the disc, so as to rotate with angular velocity ' \(\omega\) ' in time ' \(\mathrm{t}\) '?

1 \(\dfrac{M R \omega}{4 t}\)
2 \(\dfrac{M R \omega}{2 t}\)
3 \(\dfrac{M R \omega}{t}\)
4 \(M R \omega t\)
MHTCET - 2018
PHXI07:SYSTEMS OF PARTICLES AND ROTATIONAL MOTION

366080 The uniform rod of mass \(20\;kg\) and length of \(1.6 \mathrm{~m}\) is pivoted at its end swings freely in the vertical plane. Angular acceleration of rod just after the rod is released from rest in the horizontal position.
supporting img

1 \(\frac{{15\,g}}{{16}}\)
2 \(\frac{{17\,g}}{{16}}\)
3 \(\frac{{16\,g}}{{15}}\)
4 \(\dfrac{g}{15}\)
PHXI07:SYSTEMS OF PARTICLES AND ROTATIONAL MOTION

366081 A constant resultant torque is rotating a wheel about its own axis. Then true statement from the following is

1 Angular velocity of wheel is constant.
2 Angular acceleration of wheel is constant.
3 Angular acceleration of wheel gradually increases.
4 Angular momentum of wheel is constant.
PHXI07:SYSTEMS OF PARTICLES AND ROTATIONAL MOTION

366082 When a steady torque (net force is zero) is acting on a body, the body

1 Continues in its state of rest or uniform motion along a straight line
2 Rotates at a constant speed
3 Gets both linear and angular acceleration
4 Gets no angular acceleration
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PHXI07:SYSTEMS OF PARTICLES AND ROTATIONAL MOTION

366079 A disc has mass ' \(M\) ' and radius ' \(R\) '. How much tangential force should be applied to the rim of the disc, so as to rotate with angular velocity ' \(\omega\) ' in time ' \(\mathrm{t}\) '?

1 \(\dfrac{M R \omega}{4 t}\)
2 \(\dfrac{M R \omega}{2 t}\)
3 \(\dfrac{M R \omega}{t}\)
4 \(M R \omega t\)
MHTCET - 2018
PHXI07:SYSTEMS OF PARTICLES AND ROTATIONAL MOTION

366080 The uniform rod of mass \(20\;kg\) and length of \(1.6 \mathrm{~m}\) is pivoted at its end swings freely in the vertical plane. Angular acceleration of rod just after the rod is released from rest in the horizontal position.
supporting img

1 \(\frac{{15\,g}}{{16}}\)
2 \(\frac{{17\,g}}{{16}}\)
3 \(\frac{{16\,g}}{{15}}\)
4 \(\dfrac{g}{15}\)
PHXI07:SYSTEMS OF PARTICLES AND ROTATIONAL MOTION

366081 A constant resultant torque is rotating a wheel about its own axis. Then true statement from the following is

1 Angular velocity of wheel is constant.
2 Angular acceleration of wheel is constant.
3 Angular acceleration of wheel gradually increases.
4 Angular momentum of wheel is constant.
PHXI07:SYSTEMS OF PARTICLES AND ROTATIONAL MOTION

366082 When a steady torque (net force is zero) is acting on a body, the body

1 Continues in its state of rest or uniform motion along a straight line
2 Rotates at a constant speed
3 Gets both linear and angular acceleration
4 Gets no angular acceleration
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PHXI07:SYSTEMS OF PARTICLES AND ROTATIONAL MOTION

366079 A disc has mass ' \(M\) ' and radius ' \(R\) '. How much tangential force should be applied to the rim of the disc, so as to rotate with angular velocity ' \(\omega\) ' in time ' \(\mathrm{t}\) '?

1 \(\dfrac{M R \omega}{4 t}\)
2 \(\dfrac{M R \omega}{2 t}\)
3 \(\dfrac{M R \omega}{t}\)
4 \(M R \omega t\)
MHTCET - 2018
PHXI07:SYSTEMS OF PARTICLES AND ROTATIONAL MOTION

366080 The uniform rod of mass \(20\;kg\) and length of \(1.6 \mathrm{~m}\) is pivoted at its end swings freely in the vertical plane. Angular acceleration of rod just after the rod is released from rest in the horizontal position.
supporting img

1 \(\frac{{15\,g}}{{16}}\)
2 \(\frac{{17\,g}}{{16}}\)
3 \(\frac{{16\,g}}{{15}}\)
4 \(\dfrac{g}{15}\)
PHXI07:SYSTEMS OF PARTICLES AND ROTATIONAL MOTION

366081 A constant resultant torque is rotating a wheel about its own axis. Then true statement from the following is

1 Angular velocity of wheel is constant.
2 Angular acceleration of wheel is constant.
3 Angular acceleration of wheel gradually increases.
4 Angular momentum of wheel is constant.
PHXI07:SYSTEMS OF PARTICLES AND ROTATIONAL MOTION

366082 When a steady torque (net force is zero) is acting on a body, the body

1 Continues in its state of rest or uniform motion along a straight line
2 Rotates at a constant speed
3 Gets both linear and angular acceleration
4 Gets no angular acceleration
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PHXI07:SYSTEMS OF PARTICLES AND ROTATIONAL MOTION

366079 A disc has mass ' \(M\) ' and radius ' \(R\) '. How much tangential force should be applied to the rim of the disc, so as to rotate with angular velocity ' \(\omega\) ' in time ' \(\mathrm{t}\) '?

1 \(\dfrac{M R \omega}{4 t}\)
2 \(\dfrac{M R \omega}{2 t}\)
3 \(\dfrac{M R \omega}{t}\)
4 \(M R \omega t\)
MHTCET - 2018
PHXI07:SYSTEMS OF PARTICLES AND ROTATIONAL MOTION

366080 The uniform rod of mass \(20\;kg\) and length of \(1.6 \mathrm{~m}\) is pivoted at its end swings freely in the vertical plane. Angular acceleration of rod just after the rod is released from rest in the horizontal position.
supporting img

1 \(\frac{{15\,g}}{{16}}\)
2 \(\frac{{17\,g}}{{16}}\)
3 \(\frac{{16\,g}}{{15}}\)
4 \(\dfrac{g}{15}\)
PHXI07:SYSTEMS OF PARTICLES AND ROTATIONAL MOTION

366081 A constant resultant torque is rotating a wheel about its own axis. Then true statement from the following is

1 Angular velocity of wheel is constant.
2 Angular acceleration of wheel is constant.
3 Angular acceleration of wheel gradually increases.
4 Angular momentum of wheel is constant.
PHXI07:SYSTEMS OF PARTICLES AND ROTATIONAL MOTION

366082 When a steady torque (net force is zero) is acting on a body, the body

1 Continues in its state of rest or uniform motion along a straight line
2 Rotates at a constant speed
3 Gets both linear and angular acceleration
4 Gets no angular acceleration
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