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Question-1 A couple produces _______.

(A) No motion	(B)Linear and rotational motion
(C)Purely rotational motion	(D)Purely linear motion

Question-2
Consider a system of two particles having masses m₁ and m₂. If the particle of mass m₁ is pushed towards the mass centre of particles through a distance d, by what distance would the particles of mass m₂ move so as to keep the mass centre of the particles at the original position?

(A)	(B)
(C) d	(D)

Question-3 If a flywheel makes 120 rev/min, then its angular speed will be

(A) 8 π rad/s	(B)6 π rad/s
(C)4 π rad/s	(D)2 π rad/s

Question-4 Angular momentum :

(A) Vector (axial )	(B)Vector ( polar )
(C)Scalar	(D)None of these

Question-5 The angular speed of an engine wheel making 90 rev/min is _________.

(A) 1.5 π rad/s	(B)3 π rad/s
(C)4.5 π rad/s	(D)6 π rad/s

Question-6 A thin circular ring of mass M and radius R is rotating in a horizontal plane about an axis vertical to its plane with a constant angular velocity ω. If two objects each of mass m be attached gently to the opposite ends of a diameter of the ring, the ring will then rotate with an angular velocity

(A)	(B)
(C)	(D)

Question-7
A spherical ball rolls on a table without slipping. Then the fraction of its total energy associated with rotation is

(A) ²/₅	(B) 5/₇
(C) ³/₅	(D) ³/₇

Question-8
A wheel of bicycle is rollling without slipping on a level road. The velocity of the centre of mass is v_cm, then true statement is

(A) The velocity of point A is 2v_CM and velocity of point B is zero	(B)The velocity of point A is zero and velocity of point B is 2v_CM
(C)The velocity of point A is 2vCM and velocity of point B is -v_CM	(D)The velocities of both A and B are v_CM

Question-9 A tube of length L is filled completely with an incompressible liquid of mass M and closed at both the ends. The tube is then rotated in a horizontal plane about one of its ends with a uniform angular velocity ω. The force exerted by the liquid at the other end is.

(A)	(B)
(C) MLω²	(D)

Question-10
If is the force acting on a particle having position vector and be the torque of this force about the origin, then

(A)	(B)
(C)	(D)

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Plus 1 Biology Science

CBSE

Practice in Related Chapters
Units and Measurements
Motion in a Straight Line
Laws of Motion
Mechanical Properties of Solids
Motion in a Plane
Waves
Gravitation
Thermodynamics
Thermal Properties of Matter
Work,Energy and Power
Kinetic Theory
System of Particles and Rotational Motion
Oscillations
Mechanical Properties of Fluids

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