Engineering Mechanics The term 'Centroid' is The point of suspension The point of application of the resultant of all the forces tending to cause a body to rotate about a certain axis None of the listed here The same as centre of gravity The point of suspension The point of application of the resultant of all the forces tending to cause a body to rotate about a certain axis None of the listed here The same as centre of gravity ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics The resultant of two equal forces ‘P’ making an angle ‘θ’, is given by 2P tanθ/2 2P cotθ/2 2P sinθ/2 2P cosθ/2 2P tanθ/2 2P cotθ/2 2P sinθ/2 2P cosθ/2 ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics For any system of coplanar forces, the condition of equilibrium is that the Algebraic sum of the horizontal components of all the forces should be zero Algebraic sum of the vertical components of all the forces should be zero All of these Algebraic sum of moments of all the forces about any point should be zero Algebraic sum of the horizontal components of all the forces should be zero Algebraic sum of the vertical components of all the forces should be zero All of these Algebraic sum of moments of all the forces about any point should be zero ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics The maximum height of a projectile on a horizontal plane, is u² sin²α/g u² sin²α/2g u² cos²α/g u² cos²α/2g u² sin²α/g u² sin²α/2g u² cos²α/g u² cos²α/2g ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics If the resultant of two equal forces has the same magnitude as either of the forces, then the angle between the two forces is 60° 30° 90° 120° 60° 30° 90° 120° 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 = m/W + C P = mW + C P = mW - C P = C - mW P = m/W + C P = mW + C P = mW - C P = C - mW ANSWER DOWNLOAD EXAMIANS APP
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