Strength of Materials A pair of smith’s tongs is an example of the lever of zeioth order first order third order second order zeioth order first order third order second order ANSWER DOWNLOAD EXAMIANS APP
Strength of Materials The unit of force in S.I. units is dyne watt newton kilogram dyne watt newton kilogram ANSWER DOWNLOAD EXAMIANS APP
Strength of Materials The C.G. of a plane lamina will not be at its geometrical centre in the case of a right angled triangle equilateral triangle square circle right angled triangle equilateral triangle square circle ANSWER DOWNLOAD EXAMIANS APP
Strength of Materials The weight of a body is due to gravitational force of attraction towards the centre of the earth. force of attraction experienced by par-ticles gravitational pull exerted by the earth centripetal force of earth gravitational force of attraction towards the centre of the earth. force of attraction experienced by par-ticles gravitational pull exerted by the earth centripetal force of earth ANSWER DOWNLOAD EXAMIANS APP
Strength of Materials In ideal machines mechanical advantage is unity mechanical advantage is greater than velocity ratio mechanical advantage is less than velocity ratio mechanical advantage is equal to velocity ratio mechanical advantage is unity mechanical advantage is greater than velocity ratio mechanical advantage is less than velocity ratio mechanical advantage is equal to velocity ratio ANSWER DOWNLOAD EXAMIANS APP
Strength of Materials The effort required to lift a load W on a screw jack with helix angle a and angle of friction Wtan(a + <)>) Wtan(a-<)>) Wsin(a + <(>) Wcos(a + ) Wtan(a + <)>) Wtan(a-<)>) Wsin(a + <(>) Wcos(a + ) ANSWER DOWNLOAD EXAMIANS APP