Engineering Mechanics The centre of percussion is below the centre of gravity of the body and is at a distance equal to h/kG h2/kG h × kG kG2/h h/kG h2/kG h × kG kG2/h ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics Efficiency of a screw jack is given by (where α = Helix angle, and φ = Angle of friction.) tanα/tan (α + φ) None of these tan(α + φ)/tanα tan(α - φ)/tanα tanα/tan (α + φ) None of these tan(α + φ)/tanα tan(α - φ)/tanα ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics The force applied on a body of mass 100 kg to produce an acceleration of 5 m/s2, is 20 N 500 N 100 N None of these 20 N 500 N 100 N None of these ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics If the gravitational acceleration at any place is doubled, then the weight of a body will be g/2 g √2.g 2g g/2 g √2.g 2g ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics If the number of pulleys in a system is equal to its velocity ratio, then it is a __________ system of pulleys. First Second None of these Third First Second None of these Third ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics The acceleration of a body sliding down an inclined surface is None of these g tanθ g sinθ g cosθ None of these g tanθ g sinθ g cosθ ANSWER DOWNLOAD EXAMIANS APP
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