Engineering Mechanics The maximum mechanical advantage of a lifting machine is 1 / m 1 + m m 1 - m 1 / m 1 + m m 1 - m ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics A lead ball with a certain velocity is made to strike a wall, it falls down, but rubber ball of same mass and with same velocity strikes the same wall, it rebounds. Select the correct reason from the following: Both the balls undergo an equal change in momentum The change in momentum suffered by rubber ball is less than the lead ball None of these The change in momentum suffered by rubber ball is more than the lead ball Both the balls undergo an equal change in momentum The change in momentum suffered by rubber ball is less than the lead ball None of these The change in momentum suffered by rubber ball is more than the lead ball ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics A pendulum which executes one beat per second is known as Second's pendulum Simple pendulum Torsional pendulum Compound pendulum Second's pendulum Simple pendulum Torsional pendulum Compound pendulum 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 None of these 500 N 100 N 20 N None of these 500 N 100 N 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. Increase None of these Decrease Not be effected Increase None of these Decrease Not be effected ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics The algebraic sum of the resolved parts of a number of forces in a given direction is equal to the resolved part of their resultant in the same direction. This is known as None of these Principle of transmissibility of forces Principle of independence of forces Principle of resolution of forces None of these Principle of transmissibility of forces Principle of independence of forces Principle of resolution of forces ANSWER DOWNLOAD EXAMIANS APP