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 Principle of conservation of energy Principle of conservation of momentum Newton's second law of motion Newton's first law of motion Principle of conservation of energy Principle of conservation of momentum Newton's second law of motion Newton's first law of motion ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics The maximum velocity of a particle moving with simple harmonic motion is ωr ω ω2r ω/r ωr ω ω2r ω/r ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics A machine having an efficiency greater than 50%, is known as Neither reversible nor non-reversible machine Ideal machine Reversible machine Non-reversible machine Neither reversible nor non-reversible machine Ideal machine Reversible machine Non-reversible machine ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics The total energy possessed by a system of moving bodies Is maximum in the start and minimum at the end Varies from point to point Is constant at every instant Is minimum in the start and maximum at the end Is maximum in the start and minimum at the end Varies from point to point Is constant at every instant Is minimum in the start and maximum at the end ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics The resolved part of the resultant of two forces inclined at an angle 'θ' in a given direction is equal to The algebraic sum of the resolved parts of the forces in the given direction The sum of the resolved parts of the forces in the given direction The sum of the forces multiplied by the sine of θ The difference of the forces multiplied by the cosine of θ The algebraic sum of the resolved parts of the forces in the given direction The sum of the resolved parts of the forces in the given direction The sum of the forces multiplied by the sine of θ The difference of the forces multiplied by the cosine of θ ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics In order to completely specify angular displacement by a vector, it must fix All of these Magnitude of angular displacement Direction of the axis of rotation Sense of angular displacement All of these Magnitude of angular displacement Direction of the axis of rotation Sense of angular displacement ANSWER DOWNLOAD EXAMIANS APP