The moment of inertia of a solid sphere of mass ‘m’ and radius ‘r’ is
Answer: B
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Which of the following statement is correct?
Answer: D
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In the lever of third order, load ‘W’, effort ‘P’ and fulcrum ‘F’ are oriented as follows
Answer: A
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The Cartesian equation of trajectory is (where u = Velocity of projection, α = Angle of projection, and x, y = Co-ordinates of any point on the trajectory after t seconds.)
Answer: C
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According to Newton's first law of motion,
Answer: A
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A machine having an efficiency greater than 50%, is known as
Answer: A
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The algebraic sum of moments of the forces forming couple about any point in their plane is
Answer: A
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From a circular plate of diameter 6 cm is cut out a circle whose diameter is a radius of the plate. Find the e.g. of the remainder from the centre of circular plate
Answer: A
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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
Answer: A
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A force acting on a body may
Answer: D
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