Engineering Mechanics A ladder is resting on a rough ground and leaning against a smooth vertical wall. The force of friction will act Upward at its upper end Perpendicular to the wall at its upper end Downward at its upper end Zero at its upper end Upward at its upper end Perpendicular to the wall at its upper end Downward at its upper end Zero at its upper end ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics Angle of friction is the Ratio of limiting friction and normal reaction The ratio of minimum friction force to friction force acting when the body is in motion Angle between normal reaction and the resultant of normal reaction and the limiting friction The ratio of minimum friction force to the friction force acting when the body is just about to move Ratio of limiting friction and normal reaction The ratio of minimum friction force to friction force acting when the body is in motion Angle between normal reaction and the resultant of normal reaction and the limiting friction The ratio of minimum friction force to the friction force acting when the body is just about to move ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics The velocity ratio for the third system of pulleys is n² n 2n - 1 2n n² n 2n - 1 2n ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics Coplanar non-concurrent forces are those forces which __________ at one point, but their lines of action lie on the same plane. Meet Do not meet None of these Either ‘A’ or ‘B’ Meet Do not meet None of these Either ‘A’ or ‘B’ ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics The centre of gravity of a right circular solid cone is at a distance of _________ from its base, measured along the vertical axis.(where h = Height of a right circular solid cone.) h/6 h/4 h/2 h/3 h/6 h/4 h/2 h/3 ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics The forces, which meet at one point and their lines of action also lie on the same plane, are known as Non-coplanar concurrent forces Coplanar non-concurrent forces Coplanar concurrent forces Non-coplanar non-concurrent forces Non-coplanar concurrent forces Coplanar non-concurrent forces Coplanar concurrent forces Non-coplanar non-concurrent forces ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS