Engineering Mechanics The force applied on a body of mass 100 kg to produce an acceleration of 5 m/s2, is None of these 100 N 500 N 20 N None of these 100 N 500 N 20 N ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics Tension in the cable supporting a lift is more when the lift is moving __________ with an acceleration. None of these Upwards Horizontal Downwards None of these Upwards Horizontal Downwards ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics Three forces acting on a rigid body are represented in magnitude, direction and line of action by the three sides of a triangle taken in order. The forces are equivalent to a couple whose moment is equal to Area of the triangle None of these Half the area of the triangle Twice the area of the triangle Area of the triangle None of these Half the area of the triangle Twice the area of the triangle ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics The principle of transmissibility of forces states that, when a force acts upon a body, its effect is Maximum, if it acts at the center of gravity of the body Minimum, if it acts at the center of gravity of the body Different at different points on its line of action Same at every point on its line of action Maximum, if it acts at the center of gravity of the body Minimum, if it acts at the center of gravity of the body Different at different points on its line of action Same at every point on its line of action 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 algebraic sum of moments of the forces forming couple about any point in their plane is Both of above are wrong Equal to the moment of the couple Constant Both of above are correct Both of above are wrong Equal to the moment of the couple Constant Both of above are correct ANSWER DOWNLOAD EXAMIANS APP