Q281
Open questionA pair of smith's tongs is an example of the lever of
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Mechanical Engineering · all questionsEngineering Mechanics
Engineering Mechanics
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Q282
Open questionThe centre of gravity of an isosceles triangle with base (p) and sides (q) from its base is
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Q283
Open questionThe point, through which the whole weight of the body acts, irrespective of its position, is known as
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Q284
Open questionThe resultant of the two forces ‘P’ and ‘Q’ is ‘R’. If ‘Q’ is doubled, the new resultant is perpendicular to ‘P’. Then
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Q285
Open questionThe moment of the force ‘P’ about ‘O’ as shown in the below figure is
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Q286
Open questionThe total momentum of a system of masses (i. e. moving bodies) in any one direction remains constant, unless acted upon by an external force in that direction. This statement is called
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Q287
Open questionThe unit of force in S.I. system of units is
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Q288
Open questionThe Cartesian equation of trajectory is (where u = Velocity of projection, = Angle of projection and x, y = Co-ordinates of any point on the trajectory after t seconds.)
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Q289
Open questionThe velocity ratio of a first system of pulleys with 4 pulleys is
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Q290
Open questionA body moves, from rest with a constant acceleration of 5 m per sec. The distance covered in 5 sec is most nearly
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Q291
Open questionA body moves, from rest with a constant acceleration of 5 m per sec. The distance covered in 5 sec is most nearly
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Q292
Open questionThe angular velocity (in rad/s) of a body rotating at N revolutions per minute is
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Q293
Open questionA cable with a uniformly distributed load per horizontal meter run will take the following shape
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Q294
Open questionThe velocity ratio of a differential pulley block with D and d as the diameters of larger and smaller pulley, is
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Q295
Open questionThe center of gravity of a trapezium with parallel sides 'a' and 'b' lies at a distance of 'y' from the base 'b', as shown in the below figure. The value of 'y' is
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Q296
Open questionWhich of the following statement is incorrect?
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Q297
Open questionThe length of a second's pendulum is
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Q298
Open questionThe moment of a force
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Q299
Open questionThe motion of a wheel of a car is
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Q300
Open questionThe rate of doing work is known as
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