Engineering Mechanics The horizontal range of a projectile (R) is given by R = u² cos2α/g R = u² sin2α/g R = u² cosα/g R = u² sinα/g R = u² cos2α/g R = u² sin2α/g R = u² cosα/g R = u² sinα/g ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics The coefficient of friction depends upon Area of contact All of these Nature of surfaces Shape of the surfaces Area of contact All of these Nature of surfaces Shape of the surfaces ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics The rate of doing work is known as Potential energy Power None of these Kinetic energy Potential energy Power None of these Kinetic energy ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics The force required to move the body up the plane will be minimum if it makes an angle with the inclined plane __________ the angle of friction. Less than None of these Equal to Greater than Less than None of these Equal to Greater than 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 mr²/6 mr²/2 mr²/8 mr²/4 mr²/6 mr²/2 mr²/8 mr²/4 ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics The centre of gravity a T-section 100 mm × 150 mm × 50 mm from its bottom is 125 mm 75 mm 50 mm 87.5 mm 125 mm 75 mm 50 mm 87.5 mm ANSWER DOWNLOAD EXAMIANS APP