Engineering Mechanics In a screw jack, the effort required to lower the load is __________ the effort required to raise the same load. Equal to Less than None of these More than Equal to Less than None of these More than ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics If the gravitational acceleration at any place is doubled, then the weight of a body will be g 2g g/2 √2.g g 2g g/2 √2.g ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics If a body is acted upon by a number of coplanar non-concurrent forces, it may All of these Move in any one direction rotating about itself Be completely at rest Rotate about itself without moving All of these Move in any one direction rotating about itself Be completely at rest Rotate about itself without moving ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics The ratio of static friction to dynamic friction is always None of these Less than one Equal to one Greater than one None of these Less than one Equal to one Greater than one ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics The maximum efficiency of a lifting machine is m/V.R. 1/(m × V.R.) V.R./m 1/m m/V.R. 1/(m × V.R.) V.R./m 1/m 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.) ω².√(y² - r²) ω².√(r² - y²) ω.√(y² - r²) ω.√(r² - y²) ω².√(y² - r²) ω².√(r² - y²) ω.√(y² - r²) ω.√(r² - y²) ANSWER DOWNLOAD EXAMIANS APP
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