Engineering Mechanics Work done is said to be zero, when Some force acts on a body, but displacement is zero No force acts on a body but some displacement takes place None of these Either (A) or (B) Some force acts on a body, but displacement is zero No force acts on a body but some displacement takes place None of these Either (A) or (B) ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics The moment of inertia of a thin spherical shell of mass m and radius r, about its diameter is 2mr²/5 3mr²/5 mr²/3 2mr²/3 2mr²/5 3mr²/5 mr²/3 2mr²/3 ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics The rate of change of displacement of a body is called Momentum Velocity None of these Acceleration Momentum Velocity None of these Acceleration ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics When the lift is moving upwards with some acceleration, the pressure exerted by a man is __________ to its acceleration. Directly proportional Cube root None of these Inversely proportional Directly proportional Cube root None of these Inversely proportional ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics The resultant of two equal forces ‘P’ making an angle ‘θ’, is given by 2P sinθ/2 2P cotθ/2 2P tanθ/2 2P cosθ/2 2P sinθ/2 2P cotθ/2 2P tanθ/2 2P cosθ/2 ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics A particle inside a hollow sphere of radius r, having coefficient of friction µ can rest up to height of 0.134 r r/2 r/A r/3 0.134 r r/2 r/A r/3 ANSWER DOWNLOAD EXAMIANS APP
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