Q141
Open questionWhich of the following statement is correct?
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Mechanical Engineering · all questionsEngineering Mechanics
Engineering Mechanics
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Q142
Open questionIn a framed structure, as shown in the below figure, the force in the member BC is
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Q143
Open questionThe principle of transmissibility of forces states that, when a force acts upon a body, its effect is
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Q144
Open questionThe process of finding out the resultant force is called __________ of forces.
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Q145
Open questionIn order to determine the effects of a force, acting on a body, we must know
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Q146
Open questionIn a screw jack, the effort required to lower the load is __________ the effort required to raise the same load.
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Q147
Open questionFrictional force encountered after commencement of motion is called
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Q148
Open questionTwo balls of equal mass and of perfectly elastic material are lying on the floor. One of the balls with velocity ‘v’ is made to strike the second ball. Both the balls after impact will move with a velocity
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Q149
Open questionA single force and a couple acting in the same plane upon a rigid body
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Q150
Open questionTangent of angle of friction is equal to
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Q151
Open questionMoment of inertia of a triangular section of base (b) and height (h) about an axis passing through its vertex and parallel to the base, is __________ than that passing through its C.G. and parallel to the base.
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Q152
Open questionThe periodic time (T) is given by (where, = Angular velocity of particle in rad/s.)
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Q153
Open questionMoment of inertia of a triangular section of base (b) and height (h) about an axis through its base, is
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Q154
Open questionIf 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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Q155
Open questionThe centre of percussion is below the centre of gravity of the body and is at a distance equal to
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Q156
Open questionThe coefficient of friction depends on
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Q157
Open questionA lead ball with a certain velocity is made to strike a wall, it falls down, but rubber ball of same mass and with same velocity strikes the same wall, it rebounds. Select the correct reason from the following:
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Q158
Open questionThe moment of inertia of a solid cylinder of mass 'm', radius 'r' and length '' about the longitudinal axis or polar axis is
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Q159
Open questionIn a framed structure, as shown in the below figure, the forces in the members AB and BC are respectively
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Q160
Open questionForces are called coplanar when all of them acting on body lie in
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