Related Questions
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4
The force induced in the string AB due to the load W, as shown in the below figure is
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4
Least force required to draw a body up the inclined plane is W sin (plane inclination + friction angle) applied in the direction
D. At an angle equal to the angle of friction to the inclined plane
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4
The algebraic sum of moments of the forces forming couple about any point in their plane is
A. Equal to the moment of the couple
C. Both of above are correct
D. Both of above are wrong
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4
The C.G. of a right circular solid cone of height h lies at the following distance from the base
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4
Limiting force of friction is the
A. Tangent of angle between normal reaction and the resultant of normal reaction and limiting friction
B. Ratio of limiting friction and normal reaction
C. The friction force acting when the body is just about to move
D. The friction force acting when the body is in motion
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4
If the number of pulleys in a system is equal to its velocity ratio, then it is a __________ system of pulleys
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4
The unit of angular acceleration is
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4
Moment of inertia of a hollow rectangular section as shown in the below figure about X-X axis, is
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4
The C.G. of a solid hemisphere lies on the central radius 3r
A. At distance from the plane base 3r
B. At distance from the plane base 3r
C. At distance from the plane base 3r
D. At distance from the plane base
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4
A ladder is resting on a smooth ground and leaning against a rough vertical wall. The force of friction will act
A. Towards the wall at its upper end
B. Away from the wall at its upper end
C. Downward at its upper end
D. Upward at its upper end
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4
Two like parallel forces are acting at a distance of 24 mm apart and their resultant is 20 N. It the line of action of the resultant is 6 mm from any given force, the two forces are
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4
When a person, on a bicycle, drives round a curve, he has to lean __________ to maintain equilibrium.
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Which of the following is not a vector quantity?
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If the masses of both the bodies, as shown in the below figure, are doubled, then the acceleration in the string will be
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4
In order to determine the effects of a force, acting on a body, we must know
A. Magnitude of the force
B. Line of action of the force
C. Nature of the force i.e. whether the force is push or pull
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4
The range of projectile on a downward inclined plane is ________ the range on upward inclined plane for the same velocity of projection and angle of projection.
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4
The moment of inertia of a thin disc of mass m and radius r, about an axis through its centre of gravity and perpendicular to the plane of the disc is
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4
A body of mass m moving with a constant velocity v strikes another body of same mass moving with same velocity but in opposite direction. The common velocity of both the bodies after collision is
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4
D' Alembert's principle is used for
A. Reducing the problem of kinetics to equivalent statics problem
B. Determining stresses in the truss
C. Stability of floating bodies
D. Designing safe structures
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The coefficient of friction depends on
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If two bodies having masses m1 and m2 (m1>m2) have equal kinetic energies, the momentum of body having mass m1 is _________ the momentum of body having mass m2.
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Which of the following is an equation of linear motion? (where, u and v = Initial and final velocity of the body, a = Acceleration of the body, and s = Displacement of the body in time t seconds.)
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4
A trolley wire weighs 1.2 kg per meter length. The ends of the wire are attached to two poles 20 meters apart. If the horizontal tension is 1500 kg find the dip in the middle of the span
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4
The M.I. of hollow circular section about a central axis perpendicular to section as compared to its M.I. about horizontal axis is
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When a body of mass m attains a velocity v from rest in time t, then the kinetic energy of translation is
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The maximum efficiency of a screw jack is
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4
Which of the following is the example of lever of first order?
C. Pair of clinical tongs
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The necessary condition for forces to be in equilibrium is that these should be
C. Both (A) and (B) above
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An ideal machine is one whose efficiency is
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The angle of inclination of the plane at which the body begins to move down the plane, is called