Engineering Mechanics A ladder is resting on a smooth ground and leaning against a rough vertical wall. The force of friction will act Downward at its upper end Towards the wall at its upper end Away from the wall at its upper end Upward at its upper end Downward at its upper end Towards the wall at its upper end Away from the wall at its upper end Upward at its upper end ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics In actual machines, mechanical advantage is _________ velocity ratio. Less than Equal to Greater than None of these Less than Equal to Greater than None of these ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics A couple produces Translatory motion None of these Rotational motion Combined translatory and rotational motion Translatory motion None of these Rotational motion Combined translatory and rotational motion ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics The force, by which the body is attracted, towards the center of the earth, is called Momentum Mass Weight Impulsive force Momentum Mass Weight Impulsive force ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics If ‘P’ is the force acting on the body, ‘m’ is the mass of the body and ‘a’ is the acceleration of the body, then according to Newton's second law of motion, P × m.a = 0 P - m.a = 0 P/m.a = 0 P + m.a = 0 P × m.a = 0 P - m.a = 0 P/m.a = 0 P + m.a = 0 ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics The velocity ratio of a first system of pulleys with 4 pulleys is 20 4 8 16 20 4 8 16 ANSWER DOWNLOAD EXAMIANS APP