Engineering Mechanics The total momentum of a system of masses (i. e. moving bodies) in any one direction remains constant, unless acted upon by an external force in that direction. This statement is called Newton's second law of motion Principle of conservation of energy Principle of conservation of momentum Newton's first law of motion Newton's second law of motion Principle of conservation of energy Principle of conservation of momentum Newton's first law of motion ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics Two like parallel forces are acting at a distance of 24 mm apart and their resultant is 20 N. It the line of action of the resultant is 6 mm from any given force, the two forces are 15 N and 5 N 20 N and 5 N None of these 15 N and 15 N 15 N and 5 N 20 N and 5 N None of these 15 N and 15 N ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics The force, by which the body is attracted, towards the center of the earth, is called Momentum Impulsive force Mass Weight Momentum Impulsive force Mass Weight ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics If tension in the cable supporting a lift moving downwards is half the tension when it is moving upwards, the acceleration of the lift is g/4 g/3 None of these g/2 g/4 g/3 None of these g/2 ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics If a body is acted upon by a number of coplanar non-concurrent forces, it may Be completely at rest All of these Rotate about itself without moving Move in any one direction rotating about itself Be completely at rest All of these Rotate about itself without moving Move in any one direction rotating about itself ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics Tension in the cable supporting a lift is more when the lift is moving __________ with an acceleration. Downwards Horizontal Upwards None of these Downwards Horizontal Upwards None of these ANSWER DOWNLOAD EXAMIANS APP