Engineering Mechanics The range of a projectile is maximum, when the angle of projection is 90° 30° 60° 45° 90° 30° 60° 45° ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics The potential energy of a vertically raised body is __________ the kinetic energy of a vertically falling body. Greater than None of these Equal to Less than Greater than None of these Equal to Less than ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics If rain is falling in the opposite direction of the movement of a pedestrian, he has to hold his umbrella More inclined when standing Less inclined when standing More inclined when moving Less inclined when moving More inclined when standing Less inclined when standing More inclined when moving Less inclined when moving ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics Which of the following statement is incorrect? The ratio of the limiting friction to the normal reaction is called coefficient of friction The velocity ratio of a machine is the ratio of load lifted to the effort applied A machine whose efficiency is 100% is known as an ideal machine A force acting in the opposite direction to the motion of the body is called force of friction The ratio of the limiting friction to the normal reaction is called coefficient of friction The velocity ratio of a machine is the ratio of load lifted to the effort applied A machine whose efficiency is 100% is known as an ideal machine A force acting in the opposite direction to the motion of the body is called force of friction ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics If ‘P’ is the force acting on the body, ‘m’ is the mass of the body and ‘a’ is the acceleration of the body, then according to Newton's second law of motion, P - m.a = 0 P/m.a = 0 P × m.a = 0 P + m.a = 0 P - m.a = 0 P/m.a = 0 P × m.a = 0 P + m.a = 0 ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics Whenever a force acts on a body and the body undergoes a displacement, then Work is said to be done None of these Power is being transmitted Body has kinetic energy of translation Work is said to be done None of these Power is being transmitted Body has kinetic energy of translation ANSWER DOWNLOAD EXAMIANS APP
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