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Engineering Mechanics
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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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The algebraic sum of the resolved parts of a number of forces in a given direction is equal to the resolved part of their resultant in the same direction. This is known as

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In the shown figure, if the angle of inclination of the plane is increased, then acceleration of the system will
Engineering Mechanics mcq question image

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Three forces acting on a rigid body are represented in magnitude, direction and line of action by the three sides of a triangle taken in order. The forces are equivalent to a couple whose moment is equal to

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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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A weight of 1000 N can be lifted by an effort of 80 N. If the velocity ratio is 20, the machine is

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A ladder is resting on a rough ground and leaning against a smooth vertical wall. The force of friction will act

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A ladder is resting on a smooth ground and leaning against a rough vertical wall. The force of friction will act

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The moment of inertia of a rectangular section 3 cm wide and 4 cm deep about X-X axis is

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The product of either force of couple with the arm of the couple is called

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The resolved part of the resultant of two forces inclined at an angle 'θ' in a given direction is equal to

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One end of a helical spring is fixed while the other end carries the load W which moves with simple harmonic motion. The frequency of motion is given by (where = Deflection of the spring.)

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The moment of inertia of a sphere of mass 'm' and radius 'r', about an axis tangential to it, is

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If the masses of both the bodies, as shown in the below figure, are reduced to 50 percent, then tension in the string will be
Engineering Mechanics mcq question image

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The range of projectile will be maximum for a given velocity of projectile, when the angle of projection () is

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Moment of inertia of a rectangular section having width (b) and depth (d) about an axis passing through its C.G. and parallel to the depth (d), is

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Moment of inertia of a rectangular section having width (b) and depth (d) about an axis passing through its C.G. and parallel to the width (b), is

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A smooth cylinder lying on a __________ is in neutral equilibrium.

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The resultant of the following three couples 20 kg force, 0.5 m arm, +ve sense 30 kg force, 1 m arm, -ve sense 40 kg force, 0.25 m arm, +ve sense having arm of 0.5 m will be

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A couple produces

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