Engineering Mechanics The rate of doing work is known as Kinetic energy None of these Potential energy Power Kinetic energy None of these Potential energy Power 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. None of these Not be effected Increase Decrease None of these Not be effected Increase Decrease ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics The time of flight (t) of a projectile on a horizontal plane is given by t = 2u. tanα/g t = 2u. cosα/g t = 2u. sinα/g t = 2u/g.sinα t = 2u. tanα/g t = 2u. cosα/g t = 2u. sinα/g t = 2u/g.sinα ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics Which of the following is an equation of linear motion?(where, u and v = Initial and final velocity of the body, a = Acceleration of the body, and s = Displacement of the body in time t seconds.) All of these v2 = u2 + 2a.s v = u + a.t s = u.t + ½ a.t2 All of these v2 = u2 + 2a.s v = u + a.t s = u.t + ½ a.t2 ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics The range of a projectile is maximum, when the angle of projection is 30° 45° 60° 90° 30° 45° 60° 90° ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics According to Newton's first law of motion, To every action, there is always an equal and opposite reaction The rate of change of momentum is directly proportional to the impressed force, and takes place in the same direction, in which the force acts Everybody continues in its state of rest or of uniform motion, in a straight line, unless it is acted upon by some external force None of these To every action, there is always an equal and opposite reaction The rate of change of momentum is directly proportional to the impressed force, and takes place in the same direction, in which the force acts Everybody continues in its state of rest or of uniform motion, in a straight line, unless it is acted upon by some external force None of these ANSWER DOWNLOAD EXAMIANS APP
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