Civil Engineering :: Applied Mechanics
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According to Kennedy's theorem, if three bodies have plane motions, their instantaneous centres lie on
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A ball of mass 250 g moving on a smooth horizontal table with a velocity of 10 m/sec hits an identical stationary ball B on the table. If the impact is perfectly plastic, the velocity of the ball B just after impact would be
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If α is the angular acceleration of a compound pendulum whose angular displace ment is θ, the frequency of the motion is
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If two forces each equal to T in magnitude act at right angles, their effect may be neutralised by a third force acting along their bisector in opposite direction whose magnitude will be
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Energy may be defined as
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The intrinsic equation of catenary is
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A ball which is thrown upwards, returns to the ground describing a parabolic path during its flight
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Angular acceleration of a particle may be expressed as
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Two loads of 50 kg and 75 kg are hung at the ends of a rope passing over a smooth pulley shown in below figure. The tension in the string is :
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Total no of instantaneous centres of a machine having n links, is
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