A. force
B. torque
C. linear momentum
D. impulse
Related Mcqs:
- A circular disc rotates at n rpm. The angular velocity of a circular ring of same mass and radius as the disc and to have the same angular momentum is___________________?
A. n rpm
B. n/2 rpm
C. n/4 rpm
D. 2n rpm - A symmetrical body is rotating about its axis of symmetry, its moment of inertia about the axis of rotation being 2 kg -m2 and its rate of rotation 2 revolutions/see. The angular momentum of the body in kg-m2/sec is_____________________?
A. 4
B. 6 7i
C. 8TC
D. 8 - If the angular distance, 0 = 2t3 – 3t2, the angular acceleration at t = 1 sec. is__________________?
A. 1 rad/sec2
B. 4 rad/sec2
C. 6 rad/sec2
D. 12 rad/sec2 - The total kinetic energy of a hoop of mass 2 kg and radius 4 m sliding with linear velocity 8 m/sec and angular velocity 5 radian/sec is_________________?
A. 64 J
B. 400 J
C. 464 J
D. 89 J - The angular speed of a car while taking a circular turn of radius 100m at 36 km/hour, is_______________?
A. 0.1 radian/sec
B. 1 radian/sec
C. 100 radian/sec
D. 1000 radian/sec - A flywheel of moment of inertia 20 kg-m” is acted upon by a tangential force of 5 N at 2 m from its axis, for 3 seconds. The increase in angular velocity in radian persecond is__________________?
A. 1/2
B. 3/2
C. 2
D. 3 - If a flywheel increases its speed from 10 rpm to 20 rpm in 10 seconds, then its angular acceleration is_____________________?
A. —rad/sec 10
B. —rad/sec 20
C. —rad/sec 30
D. none of the above - The angular speed of a car taking a circular turn of radius 100 m at 36 km/hr will be___________________?
A. 0.1 rad/sec
B. 1 rad/sec
C. 10 rad/sec
D. 100 rad/sec - Instantaneous center is at infinity when the angular velocity is _________________?
A. constant
B. zero
C. maximum
D. minimum - A light rope is loaded with many equal weights at equal horizontal intervals. The points of suspension on the rope lie on a_____________________?
A. parabola
B. catenary
C. cycloid
D. ellipse
