According to principle of transmissibility of forces, the effect of a force upon a body is Different at different points in its line of action Minimum when it acts at the C.G. of the body Maximum when it acts at the center of gravity of a body The same at every point in its line of action TRUE ANSWER : ? YOUR ANSWER : ?
If a suspended body is struck at the centre of percussion, then the pressure on die axis passing through the point of suspension will be Maximum Minimum Zero Infinity TRUE ANSWER : ? YOUR ANSWER : ?
Least force required to draw a body up the inclined plane is W sin (plane inclination + friction angle) applied in the direction along the plane at an angle equal to the angle of friction to the inclined plane vertically horizontally TRUE ANSWER : ? YOUR ANSWER : ?
Which of the following is not the unit of distance ? light year angstrom milestone millimeter TRUE ANSWER : ? YOUR ANSWER : ?
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 TRUE ANSWER : ? YOUR ANSWER : ?
A cable with a uniformly distributed load per horizontal metre run will take the following shape Elliptical Parabola Hyperbola Straight line TRUE ANSWER : ? YOUR ANSWER : ?
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 V5 and V5 3 and 1 kg 2 and 5 2 and V6 TRUE ANSWER : ? YOUR ANSWER : ?
Coulomb friction is the friction between solids and liquids bodies having relative motion two lubricated surfaces two dry surfaces TRUE ANSWER : ? YOUR ANSWER : ?
A force acting on a body may change its motion retard its motion All of the listed here introduce internal stresses TRUE ANSWER : ? YOUR ANSWER : ?
The M.I. of hollow circular section about a central axis perpendicular to section as compared to its M.I. about horizontal axis is same four times half double TRUE ANSWER : ? YOUR ANSWER : ?