A system of copianar forces is in equilibrium when___________________?

Related Mcqs:

Which of the following represents the state of neutral equilibrium ?

A. a cube resting on one edge B. a smooth cylinder lying on a curved surface C. a smooth cylinder lying on a convex surface D. none of the above...

One end of an elastic string of natural length / and modulus X is kept fixed while to the other end is attached a particle of mass m which is hanging freely under gravity. The particle is pulled down vertically through a distance x, held at rest and then released. The motion is___________________?

A. a simple harmonic motion B. a rectilinear motion with constant speed C. a damped oscillatory motion D. none of the above...

Intrinisic equation of catenary is given by____________________?

A. S = C tan q> B. S = C cos cp C. S = C sin cp D. S = C cot <p where C is some constant...

A stone was thrown vertically upwards from the ground with a velocity of 50 m/sec. After 5 seconds another stone was thrown vertically upwards from the same place. If both the stones strike the ground at the same time, then the velocity with which the second stone was thrown should be (Assume g = 10 m/sec2)______________________?

A. 15 m/sec B. 25 m/sec C. 40 m/sec D. 50 m/sec...

If y is force and x is velocity, then dimensions of —=r are dx2__________________?

A. M’^T’ B. M’L-‘T0 C. M’L-‘T1 D. M2L’T3...