Engineering Mechanics The potential energy of a vertically raised body is __________ the kinetic energy of a vertically falling body. Equal to None of these Greater than Less than Equal to None of these Greater than Less than ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics A block of mass 20 kg lying on a rough horizontal plane is connected by a light string passing over a smooth pulley to another mass 5 kg, which can move freely in the Vertical direction, as shown in the below figure. The tension in the string will ___________ with the increase in coefficient of friction. Not be effected Increase None of these Decrease Not be effected Increase None of these Decrease ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics The static friction All of these Always acts in a direction, opposite to that in which the body tends to move Is independent of the area of contact, between the two surfaces Bears a constant ratio to the normal reaction between the two surfaces All of these Always acts in a direction, opposite to that in which the body tends to move Is independent of the area of contact, between the two surfaces Bears a constant ratio to the normal reaction between the two surfaces ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics The center of gravity of a semi-circle lies at a distance of __________ from its base measured along the vertical radius. 3r/ 8 3r/4π 4r/ 3π 8r/3 3r/ 8 3r/4π 4r/ 3π 8r/3 ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics The energy possessed by a body, for doing work by virtue of its position, is called Chemical energy Kinetic energy Electrical energy Potential energy Chemical energy Kinetic energy Electrical energy Potential energy 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 bh3/12 bh3/36 bh3/8 bh3/4 bh3/12 bh3/36 bh3/8 ANSWER DOWNLOAD EXAMIANS APP
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