Engineering Mechanics A ladder is resting on a smooth ground and leaning against a rough vertical wall. The force of friction will act Away from the wall at its upper end Downward at its upper end Upward at its upper end Towards the wall at its upper end Away from the wall at its upper end Downward at its upper end Upward at its upper end Towards the wall at its upper end ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics The friction experienced by a body, when at rest, is known as Coefficient of friction Static friction Dynamic friction Limiting friction Coefficient of friction Static friction Dynamic friction Limiting friction ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics A screw jack used for lifting the loads is None of these A non-reversible machine A reversible machine An ideal machine None of these A non-reversible machine A reversible machine An ideal machine 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 periodic time of one oscillation for a simple pendulum is (where l = Length of the pendulum.) (1/2π). √(l/g) None of these 2π. √(l/g) (1/2π). √(g/l) (1/2π). √(l/g) None of these 2π. √(l/g) (1/2π). √(g/l) ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics The moment of inertia of a rectangular section 3 cm wide and 4 cm deep about X-X axis is 12 cm4 16 cm4 20 cm4 9 cm4 12 cm4 16 cm4 20 cm4 9 cm4 ANSWER DOWNLOAD EXAMIANS APP