Engineering Mechanics The total energy possessed by a system of moving bodies Varies from point to point Is constant at every instant Is minimum in the start and maximum at the end Is maximum in the start and minimum at the end Varies from point to point Is constant at every instant Is minimum in the start and maximum at the end Is maximum in the start and minimum at the end ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics If a given force (or a given system of forces) acting on a body __________ the position of the body, but keeps it in equilibrium, then its effect is to produce internal stress in the body. Does not change Change Changes periodically None of these Does not change Change Changes periodically None of these ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics A ladder is resting on a smooth ground and leaning against a rough vertical wall. The force of friction will act Away from the wall at its upper end Downward at its upper end Upward at its upper end Towards the wall at its upper end Away from the wall at its upper end Downward at its upper end Upward at its upper end Towards the wall at its upper end ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics The periodic time (T) is given by (where, ω = Angular velocity of particle in rad/s.) ω/2π 2π/ω π/ω 2π × ω ω/2π 2π/ω π/ω 2π × ω 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.√(r² - y²) ω.√(y² - r²) ω².√(y² - r²) ω².√(r² - y²) ω.√(r² - y²) ω.√(y² - r²) ω².√(y² - r²) ω².√(r² - y²) ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics The maximum acceleration of a particle moving with simple harmonic motion is ωr ω²r ω/r ω ωr ω²r ω/r ω ANSWER DOWNLOAD EXAMIANS APP
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