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 The total motion possessed by a body, is called Weight Impulsive force Momentum Mass Weight Impulsive force Momentum Mass ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics The efficiency of a lifting machine is the ratio of All of these Work done by the machine to the work done on the machine Output to the input Mechanical advantage to the velocity ratio All of these Work done by the machine to the work done on the machine Output to the input Mechanical advantage to the velocity ratio ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics The centre of gravity of an isosceles triangle with base (p) and sides (q) from its base is (4p² - q²)/6 (p² + q²)/4 [√(4p² - q²)]/6 (p² - q²)/4 (4p² - q²)/6 (p² + q²)/4 [√(4p² - q²)]/6 (p² - q²)/4 ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics The maximum efficiency of a lifting machine is 1/m m/V.R. 1/(m × V.R.) V.R./m 1/m m/V.R. 1/(m × V.R.) V.R./m ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics The C.G. of a solid hemisphere lies on the central radius 3r At distance — from the plane base 3r At distance — from the plane base 3r At distance — from the plane base 3r At distance — from the plane base At distance — from the plane base 3r At distance — from the plane base 3r At distance — from the plane base 3r At distance — from the plane base ANSWER DOWNLOAD EXAMIANS APP