Engineering Mechanics The maximum height of a projectile on a horizontal plane, is u² sin²α/2g u² cos²α/g u² sin²α/g u² cos²α/2g u² sin²α/2g u² cos²α/g u² sin²α/g u² cos²α/2g ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics The amplitude is always __________ radius of the circle. None of these Greater than Equal to Less than None of these Greater than Equal to Less than ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics If a body is acted upon by a number of coplanar non-concurrent forces, it may All of these Be completely at rest Rotate about itself without moving Move in any one direction rotating about itself All of these Be completely at rest Rotate about itself without moving Move in any one direction rotating about itself ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics In a screw jack, the effort required to lift the load is given by (where W = Load lifted, α = Helix angle, and φ = Angle of friction.) P = W tan (α - φ) P = W tan (α + φ) P = W tan (φ - α) P = W cos (α + φ) P = W tan (α - φ) P = W tan (α + φ) P = W tan (φ - α) P = W cos (α + φ) 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 Greater than Equal to None of these Less than Greater than Equal to None of these ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics The maximum mechanical advantage of a lifting machine is m 1 / m 1 + m 1 - m m 1 / m 1 + m 1 - m ANSWER DOWNLOAD EXAMIANS APP