Moment of Inertia of triangular section about an axis passing through its base is given by
A.bh3/12
B.bh3/32
C.bh3/36
D.None of the above
Category: Applied Mechanics Mcqs
The work done in sliding a block of weight of 50 kg up a plane inclined at an angle of 30? to the horizontal so that the block is lifted through 1 m (
A.More than 50 kgm
B.50 kgm
C.Less than 5 kgm
D.15 kgm only
E.None of the above
A satellite launch station should be
A.near the equatorial region
B.near the polar region
C.one the polar axis
D.all the locations are equally good
Work done by a body of mass 100 kg moving along a circular path of radius 2 m with a uniform velocity of 10 m/sec is
A.5000 J
B.2500 J
C.509.68 J
D.None of the above
When a body moves round a fixed axis it will have
A.A circular motion
B.A rotary motion
C.A translatory motion
D.A swinging motion
E.A motion of rotation and translation
A imaginary planet has half the mass and half the radius of the earth. The acceleration of gravity at its surface would be
A.9.8 m/s2
B.4.9 m/s2
C.19.6 m/s2
D.2.45 m/s2
In which case power required would be more
A.In lifting up a weight of 100 kg at a constant speed of 3 m/sec
B.In lifting up a weight of 100 kg at a velocity of 3 m/sec but accelerating upwards at 0.5 m/sec
C.In lowering the weight at a constant speed of 3 m/sec
D.In lowering the weight at a velocity of 3 m/sec and acceleration of 1 m/sec2
E.In lowering a weight of 100 kg along an a inclined plane at an angle of 45? with
The length of Seconds Pendulum is
A.1000 mm
B.999 mm
C.995 mm
D.994 mm
E.992 mm
The area under stress-strain curve represents
A.Hardness of material
B.Breaking strength of the material
C.Energy required to cause failure
D.Malleabbility of material
E.Toughness of material
