Engineering Mechanics Work done is said to be zero, when None of these No force acts on a body but some displacement takes place Either (A) or (B) Some force acts on a body, but displacement is zero None of these No force acts on a body but some displacement takes place Either (A) or (B) Some force acts on a body, but displacement is zero ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics If a number of forces are acting at a point, their resultant is given by (∑V)2 + (∑H)2 (∑V)2 +(∑H)2 +2(∑V)(∑H) √[(∑V)2 + (∑H)2] √[(∑V)2 +(∑H)2 +2(∑V)(∑H)] (∑V)2 + (∑H)2 (∑V)2 +(∑H)2 +2(∑V)(∑H) √[(∑V)2 + (∑H)2] √[(∑V)2 +(∑H)2 +2(∑V)(∑H)] ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics A machine having an efficiency greater than 50%, is known as Neither reversible nor non-reversible machine Reversible machine Ideal machine Non-reversible machine Neither reversible nor non-reversible machine Reversible machine Ideal machine Non-reversible machine ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics Concurrent forces are those forces whose lines of action None of these Meet at one point Lie on the same line Meet on the same plane None of these Meet at one point Lie on the same line Meet on the same plane ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics The maximum acceleration of a particle moving with simple harmonic motion is ω²r ω ωr ω/r ω²r ω ωr ω/r ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics A pendulum which executes one beat per second is known as Second's pendulum Simple pendulum Compound pendulum Torsional pendulum Second's pendulum Simple pendulum Compound pendulum Torsional pendulum ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS