Mechanics MCQs Deal with Surface Mass Density Is Defined As, A Damping Force Is Given By, Amplitude Becomes Very Large In, The Path Traced By A 2-Dimensional Oscillator Is, In Central Force Field, Force Is In Direction Of, Analytical Condition For A Point P Is Apse, An Object Which Emits Its Own Light, Which Of The Following Is A Natural Satellite, Quantity Of Matter In An Object Is Called, ∫Fdt Is Called, Which Of The Following Is A Non Conservative Force, Apsidal Distance Is A Distance B/W, The Largest Distance Of A Planet From Sun Is Called, The Degree Of Freedom Of A Rigid Body? What Is, The Smallest Distance Of A Satellite From Planet Is Called, DA/Dt =H/2 Is A Mathematical Statement Of, Moment Of Inertia Of A Solid Cylinder Is, If 100 Particles Are In Motion In A Plane -Then Degree Of Freedom Will Be, I=Ic+Mb2 Is Mathematical Statement Of, Center Of Mass Of A Semi-Circular Region Of Radius R Is:
Mechanics MCQs
If equation of simple harmonic motion is y=2cos3t ,then time period will be
A. 3
B. 3/2π
C. 2π/3
D. 2/3
View Answer A. 3
Moment inertia of thin rod of length a and mass m about an axis perpendicular to rod through center
A. mr2
B. mr2/2
C. 2mr2/5
D. mr2/12
View AnswerD. mr2/12
By applying force, distance b/w particles does not change ,such a body is called
A. Elastic
B. Rigid
C. Discrete
D. None of these
View AnswerB. Rigid
Center of mass of a semi-circular region of radius r is
A. 2r/π
B. 2r/3 π
C. 4r/3 π
D. None of these
View AnswerC. 4r/3 π
“A rotation of a rigid body about a fixed point is equivalent to rotation about a line passes through that point”. Is
A. Eulers’ theorem
B. Chasles’ theorem
C. Perpendicular axis theorem
D. Parallel axis theorem
View AnswerA. Eulers’ theorem
I=Ic+Mb2 is mathematical statement of
A. Eulers’ theorem
B. Chasles’ theorem
C. Perpendicular axis theorem
D. Parallel axis theorem
View AnswerD. Parallel axis theorem
Moment of inertia about diameter of a hallow sphere of radius r and mass m is given by
A. mr2
B. mr2/2
C. 2mr2/5
D. mr2/12
View AnswerA. mr2
If 100 particles are in motion in a plane ,then degree of freedom will be
A. 100
B. 200
C. 300
D. 400
View AnswerB. 200
Three particles of unit masses are located at unit distance on three coordinate axis then center of mass will be
A. (0,0,0)
B. (1,1,1)
C. (3,3,3)
D. (1/3,1/3,1/3)
View AnswerD. (1/3,1/3,1/3)