Engineering Mechanics If the body falls freely under gravity, then the gravitational acceleration is taken as +8.9 m/s2 -8.9 m/s2 +9.8 m/s2 -9.8 m/s2 +8.9 m/s2 -8.9 m/s2 +9.8 m/s2 -9.8 m/s2 ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics The moment of inertia of a thin disc of mass ‘m’ and radius ‘r’, about an axis through its center of gravity and perpendicular to the plane of the disc is mr²/4 mr²/8 mr²/6 mr²/2 mr²/4 mr²/8 mr²/6 mr²/2 ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics The coefficient of friction depends upon Shape of the surfaces All of these Nature of surfaces Area of contact Shape of the surfaces All of these Nature of surfaces Area of contact ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics The motion of a particle round a fixed axis is Rotary Translatory Translatory as well as rotary Circular Rotary Translatory Translatory as well as rotary Circular ANSWER DOWNLOAD EXAMIANS APP
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 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 Principle of conservation of energy Principle of conservation of momentum ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics A particle moves along a straight line such that distance (x) traversed in 't' seconds is given by x = t² (t - 4), the acceleration of the particle will be given by the equation 6f - 4 3t² + 2t 6t² - 8t 6f - 8 6f - 4 3t² + 2t 6t² - 8t 6f - 8 ANSWER DOWNLOAD EXAMIANS APP