Strength of Materials The weight of a body is due to force of attraction experienced by par-ticles gravitational force of attraction towards the centre of the earth. gravitational pull exerted by the earth centripetal force of earth force of attraction experienced by par-ticles gravitational force of attraction towards the centre of the earth. gravitational pull exerted by the earth centripetal force of earth ANSWER DOWNLOAD EXAMIANS APP
Strength of Materials Two non-collinear parallel equal forces acting in opposite direction balance each other constitute a moment of couple constitute a couple constitute a moment balance each other constitute a moment of couple constitute a couple constitute a moment ANSWER DOWNLOAD EXAMIANS APP
Strength of Materials A single force and a couple acting in the same plane upon a rigid body cannot balance each other are equivalent balance each other produce moment of a couple cannot balance each other are equivalent balance each other produce moment of a couple ANSWER DOWNLOAD EXAMIANS APP
Strength of Materials A pair of smith’s tongs is an example of the lever of third order second order first order zeioth order third order second order first order zeioth order ANSWER DOWNLOAD EXAMIANS APP
Strength of Materials In actual machines mechanical advantage is greater than velocity ratio mechanical advantage is equal to velocity ratio mechanical advantage is unity mechanical advantage is less than velocity ratio mechanical advantage is greater than velocity ratio mechanical advantage is equal to velocity ratio mechanical advantage is unity mechanical advantage is less than velocity ratio ANSWER DOWNLOAD EXAMIANS APP
Strength of Materials The algebraic sum of the resolved parts of a number of forces in a given direction is equal to the resolved part of their resultant in the same direction. This is as per the principle of resolution of forces. forces independence of forces balance of force resolution of forces. forces independence of forces balance of force ANSWER DOWNLOAD EXAMIANS APP