Engineering Mechanics The center of gravity of a semi-circle lies at a distance of __________ from its base measured along the vertical radius. 3r/ 8 8r/3 3r/4π 4r/ 3π 3r/ 8 8r/3 3r/4π 4r/ 3π ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics The bodies which rebound after impact are called Elastic bodies Inelastic bodies None of these Neither elastic nor inelastic bodies Elastic bodies Inelastic bodies None of these Neither elastic nor inelastic bodies ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics One joule means that Work is done by a force of 1 N when it displaces a body through 1 m Work is done by a force of 1 kg when it displaces a body through 1 m Work is done by a force of 1 dyne when it displaces a body through 1 cm Work is done by a force of 1 g when it displaces a body through 1 cm Work is done by a force of 1 N when it displaces a body through 1 m Work is done by a force of 1 kg when it displaces a body through 1 m Work is done by a force of 1 dyne when it displaces a body through 1 cm Work is done by a force of 1 g when it displaces a body through 1 cm ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics The point, through which the whole weight of the body acts, irrespective of its position, is known as Center of percussion Center of mass Center of gravity Moment of inertia Center of percussion Center of mass Center of gravity Moment of inertia ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics The moment of inertia of a square of side a about its diagonal is a³/12 a²/8 a⁴/12 a⁴/16 a³/12 a²/8 a⁴/12 a⁴/16 ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics The law of the machine is (where P = Effort applied to lift the load, m = A constant which is equal to the slope of the line, W = Load lifted, and C = Another constant which represents the machine friction.) P = C - mW P = mW - C P = m/W + C P = mW + C P = C - mW P = mW - C P = m/W + C P = mW + C ANSWER DOWNLOAD EXAMIANS APP
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