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GATE Prev Year : Engineering Mechanics Test-6
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Question 1
A body of mass (M) 10 kg is initially stationary on a 45 ° inclined plane as shown in figure. The coefficient of dynamic friction between the body and the plane is 0.5. The body slides down the plane and attains a velocity of 20 m/s. The distance travelled (in meter) by the body along the plane is
Question 2
A circular solid disc of uniform thickness 20 mm, radius 200 mm and mass 20 kg, is used as a flywheel. If it rotates at 600 rpm the kinetic energy of the flywheel, in Joules is
Question 3
While driving, a driver suddenly find bug splatters on wind screen of car. Which among the following will undergoes greater change is momentum?
Question 4
The coefficient of restitution of a perfectly plastic impact is
Question 5
In a statically determinate perfect plane truss, the number of joints (j) and the number of members (m) are related by
Question 6
Which one of the following is a criterion in the design of hydrodynamic journal bearings?
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