Strength of Materials According to principle of transmissibility of forces, the effect of a force upon a body is The same at every point in its line of action Maximum when it acts at the center of gravity of a body Different at different points in its line of action Minimum when it acts at the C.G. of the body The same at every point in its line of action Maximum when it acts at the center of gravity of a body Different at different points in its line of action Minimum when it acts at the C.G. of the body ANSWER DOWNLOAD EXAMIANS APP
Strength of Materials Center of percussion is the point of metacentre the point of C.G. the point of application of the resultant of all the forces tending to cause a body to rotate about a certain axis point of suspension the point of metacentre the point of C.G. the point of application of the resultant of all the forces tending to cause a body to rotate about a certain axis point of suspension ANSWER DOWNLOAD EXAMIANS APP
Strength of Materials A single force and a couple acting in the same plane upon a rigid body produce moment of a couple cannot balance each other balance each other are equivalent produce moment of a couple cannot balance each other balance each other are equivalent ANSWER DOWNLOAD EXAMIANS APP
Strength of Materials A number of forces acting at a point will be in equilibrium if Sum of resolved parts in any two perpendicular directions are both zero All of them are inclined equally Their total sum is zero Two resolved parts in two directions at right angles are equal Sum of resolved parts in any two perpendicular directions are both zero All of them are inclined equally Their total sum is zero Two resolved parts in two directions at right angles are equal ANSWER DOWNLOAD EXAMIANS APP
Strength of Materials The magnitude of two forces, which when acting at right angle produce resultant force of VlOkg and when acting at 60° produce resultant of Vl3 kg. These forces are 2 and 5 3 and 1 kg V5 and V5 2 and V6 2 and 5 3 and 1 kg V5 and V5 2 and V6 ANSWER DOWNLOAD EXAMIANS APP
Strength of Materials A pair of smith’s tongs is an example of the lever of first order second order zeioth order third order first order second order zeioth order third order ANSWER DOWNLOAD EXAMIANS APP