Coulomb friction is the friction between_________________?
Tangent of angle of friction is equal to_________________?
The effort required to lift a load W on a screw jack with helix angle a and angle of friction <j) is equal to_________________?
A particle inside a hollow sphere of radius r, having coefficient of friction -rr can rest upto height of__________________?
A single force and a couple acting in the same plane upon a rigid body________________?
The maximum frictional force which comes into play when a body just begins to slide over another surface is called_____________________?
If n = number of members andy = number of joints, then for a perfect frame, n =_______________?
A flywheel on a motor goes from rest to 1000 rpm in 6 sec. The number of revolutions made is nearly equal to______________?
Which of the following is not the unit of energy________________?
In the equation of virtual work, following force is neglected_______________?