Q221
Open questionThe maximum acceleration of a particle moving with simple harmonic motion is
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Engineering Mechanics
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Q222
Open questionA semicircular disc rests on a horizontal surface with its top flat surface horizontal and circular portion touching down. The coefficient of friction between semi circular disc and horizontal surface is µ. This disc is to be pulled by a horizontal force applied at one edge and it always remains horizontal. When the disc is about to start moving, its top horizontal force will
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Q223
Open questionWhen a person, on a bicycle, drives round a curve, he has to lean __________ to maintain equilibrium.
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Q224
Open questionVaringon's theorem of moments states that if a number of coplanar forces acting on a particle are in equilibrium, then
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Q225
Open questionAccording to the law of moments, if a number of coplanar forces acting on a particle are in equilibrium, then
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Q226
Open questionThe necessary condition for forces to be in equilibrium is that these should be
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Q227
Open questionThe acceleration of a particle moving with simple harmonic motion is __________ at the mean position.
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Q228
Open questionThe motion of a particle round a fixed axis is
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Q229
Open questionIf the resultant of two equal forces has the same magnitude as either of the forces, then the angle between the two forces is
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Q230
Open questionMoment of inertia of a hollow rectangular section as shown in the below figure about X-X axis, is
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Q231
Open questionIf a rigid body is in equilibrium under the action of three forces, then
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Q232
Open questionIf a number of forces act simultaneously on a particle, it is possible
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Q233
Open questionA rubber ball is dropped from a height of 2 m. If there is no loss of velocity after rebounding, the ball will rise to a height of
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Q234
Open questionThe centre of percussion of the homogeneous rod of length ‘L’ suspended at the top will be
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Q235
Open questionThe units of moment of inertia of mass are
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Q236
Open questionMass moment of inertia of a uniform thin rod of mass (M) and length () about its mid-point and perpendicular to its length is
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Q237
Open questionForces are called concurrent when their lines of action meet in
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Q238
Open questionThe forces, which meet at one point and their lines of action also lie on the same plane, are known as
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Q239
Open questionIf u1 and u2 are the velocities of two moving bodies in the same direction before impact and v1 and v2 are their velocities after impact, then coefficient of restitution is given by
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Q240
Open questionA 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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