A particle inside a hollow sphere of radius r, having coefficient of friction µ can rest up to height of r/A r/3 r/2 0.134 r TRUE ANSWER : ? YOUR ANSWER : ?
The ideal angle of banking provided on the curves on roads depends upon Weight of the vehicle (Velocity)2 of the vehicle Nature of the road surface Coefficient of friction between the road and vehicle contact point TRUE ANSWER : ? YOUR ANSWER : ?
The centre of gravity of an isosceles triangle with base (p) and sides (q) from its base is (4p² - q²)/6 (p² + q²)/4 [√(4p² - q²)]/6 (p² - q²)/4 TRUE ANSWER : ? YOUR ANSWER : ?
The periodic time of one oscillation for a simple pendulum is (where l = Length of the pendulum.) 2π. √(l/g) (1/2π). √(l/g) None of these (1/2π). √(g/l) TRUE ANSWER : ? YOUR ANSWER : ?
The forces, which meet at one point, but their lines of action do not lie in a plane, are called Intersecting forces Coplanar non-concurrent forces Non-coplanar non-concurrent forces Non-coplanar concurrent forces TRUE ANSWER : ? YOUR ANSWER : ?
The moment of inertia of a thin disc of mass ‘m’ and radius ‘r’, about an axis through its center of gravity and perpendicular to the plane of the disc is mr²/2 mr²/6 mr²/8 mr²/4 TRUE ANSWER : ? YOUR ANSWER : ?
The impact between two lead spheres is approximately equal to an __________ impact. Solid Inelastic None of these Elastic TRUE ANSWER : ? YOUR ANSWER : ?
The algebraic sum of moments of the forces forming couple about any point in their plane is Equal to the moment of the couple Constant Both of above are wrong Both of above are correct TRUE ANSWER : ? YOUR ANSWER : ?
The process of finding out the resultant force is called __________ of forces. Decomposition Resolution None of these Composition TRUE ANSWER : ? YOUR ANSWER : ?