If a person standing on a rotating disc stretches out his hands, the a – McqOptions

MCQOPTIONS

1.	If a person standing on a rotating disc stretches out his hands, the angular speed will ___________
A.	Increase
B.	Decrease
C.	Remains same
D.	Increases and then decreases
Answer» C. Remains same

Discussion

No Comment Found

Related MCQs

The moment of inertia of a body about a given axis is 1.2kgm<sup>2</sup>. Initially, the body at rest. In order to produce a rotational kinetic energy of 1500 joule, an angular acceleration of 25radian/sec<sup>2</sup> must be applied about the axis for duration of ___________
Statement 1: If polar ice melts, days will be longer.<br>Statement 2: Moment of inertia decreases and thus angular velocity increases.
Moment of inertia of an object does not depend upon ___________
Analogue of mass in rotational motion is ___________
If a person standing on a rotating disc stretches out his hands, the angular speed will ___________
Statement 1: If there is no external torque on the body about its centre of mass, then the velocity of the centre of mass remains constant.<br>Statement 2: The linear momentum of the isolated system remains constant.
If the resultant of all the external forces acting on a system of particles is 0, then from an inertial frame, one can surely say that ___________
A mass m is moving with a constant velocity along a line parallel to the x-axis, away from the origin. Its angular momentum with respect to the origin ___________
The instantaneous speed of the point of contact during rolling is zero.