The total motion possessed by a body, is called Weight Momentum Impulsive force Mass TRUE ANSWER : ? YOUR ANSWER : ?
Which of the following statement is correct in connection with projectiles? A path, traced by a projectile in the space, is known as trajectory. The velocity, with which a projectile is projected, is known as the velocity of projection. All of these The angle, with the horizontal, at which a projectile is projected, is known as angle of projection. TRUE ANSWER : ? YOUR ANSWER : ?
The velocity ratio of a differential pulley block with D and d as the diameters of larger and smaller pulley, is 2D/(D + d) 2D/(D - d) D/(D + d) D/(D - d) TRUE ANSWER : ? YOUR ANSWER : ?
Two balls of equal mass and of perfectly elastic material are lying on the floor. One of the balls with velocity ‘v’ is made to strike the second ball. Both the balls after impact will move with a velocity v/4 v/2 v v/8 TRUE ANSWER : ? YOUR ANSWER : ?
In a single threaded worm and worm wheel, the number of teeth on the worm is 50. The diameter of the effort wheel is 100 mm and that of load drum is 50 mm. The velocity ratio is 100 50 400 200 TRUE ANSWER : ? YOUR ANSWER : ?
The matter contained in a body, is called Momentum Impulsive force Weight Mass TRUE ANSWER : ? YOUR ANSWER : ?
Varingon's theorem of moments states that if a number of coplanar forces acting on a particle are in equilibrium, then Their lines of action are at equal distances The algebraic sum of their moments about any point is equal to the moment of their resultant force about the same point Their algebraic sum is zero The algebraic sum of their moments about any point in their plane is zero TRUE ANSWER : ? YOUR ANSWER : ?
The moment of inertia of a thin rod of mass 'm' and length 'l', about an axis through its centre of gravity and perpendicular to its length is ml2/12 ml2/ 6 ml2/4 ml2/8 TRUE ANSWER : ? YOUR ANSWER : ?
In order to determine the effects of a force, acting on a body, we must know Line of action of the force Magnitude of the force All of these Nature of the force i.e. whether the force is push or pull TRUE ANSWER : ? YOUR ANSWER : ?
If a number of forces are acting at a point, their resultant is given by (∑V)2 +(∑H)2 +2(∑V)(∑H) √[(∑V)2 +(∑H)2 +2(∑V)(∑H)] (∑V)2 + (∑H)2 √[(∑V)2 + (∑H)2] TRUE ANSWER : ? YOUR ANSWER : ?