Engineering Mechanics The maximum mechanical advantage of a lifting machine is m 1 / m 1 + m 1 - m m 1 / m 1 + m 1 - m ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics Moment of inertia of a triangular section of base (b) and height (h) about an axis passing through its C.G. and parallel to the base, is bh3/4 bh3/36 bh3/12 bh3/8 bh3/4 bh3/36 bh3/12 bh3/8 ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics The rate of change of momentum is directly proportional to the impressed force, and takes place in the same direction in which the force acts. This statement is known as None of these Newton's first law of motion Newton's second law of motion Newton's third law of motion None of these Newton's first law of motion Newton's second law of motion Newton's third law of motion ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics The velocity of a particle (v) moving with simple harmonic motion, at any instant is given by (where, r = Amplitude of motion, and y = Displacement of the particle from mean position.) ω.√(y² - r²) ω.√(r² - y²) ω².√(r² - y²) ω².√(y² - r²) ω.√(y² - r²) ω.√(r² - y²) ω².√(r² - y²) ω².√(y² - r²) ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics Tension in the cable supporting a lift is more when the lift is moving __________ with an acceleration. Upwards None of these Downwards Horizontal Upwards None of these Downwards Horizontal ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics The algebraic sum of moments of the forces forming couple about any point in their plane is Both of above are wrong Both of above are correct Equal to the moment of the couple Constant Both of above are wrong Both of above are correct Equal to the moment of the couple Constant ANSWER DOWNLOAD EXAMIANS APP
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