Engineering Mechanics 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. This statement is known as Newton's third law of motion Newton's second law of motion Newton's first law of motion None of these Newton's third law of motion Newton's second law of motion Newton's first law of motion None of these ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics The center of gravity of a semi-circle lies at a distance of __________ from its base measured along the vertical radius. 4r/ 3π 3r/4π 3r/ 8 8r/3 4r/ 3π 3r/4π 3r/ 8 8r/3 ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics The skidding away of the vehicle on a level circular path can be avoided if the force of friction between the wheels and the ground is __________ the centrifugal force. Greater than Equal to Less than None of these Greater than Equal to Less than None of these ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics The moment of inertia of a square of side a about its diagonal is a⁴/16 a²/8 a⁴/12 a³/12 a⁴/16 a²/8 a⁴/12 a³/12 ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics The amplitude is always __________ radius of the circle. Equal to None of these Greater than Less than Equal to None of these Greater than Less than ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics A weight of 1000 N can be lifted by an effort of 80 N. If the velocity ratio is 20, the machine is None of these Ideal Non-reversible Reversible None of these Ideal Non-reversible Reversible ANSWER DOWNLOAD EXAMIANS APP
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