statics

Related Questions

• In a right angled triangle one side is thrice the other side in length. The triangle is suspended by a string attached at the right angle. The angle that the hypotenuse of the triangle will make with the vertical is

  ---

• There are three coplanar forces acting on a rigid body. If these are in equilibrium, then they are

  ---

• Two like parallel forces P and Q act on a rigid body at A and B respectively. If P and Q be interchanged in positions, show that the point of application of the resultant will be displaced through a distance along AB, where d =

  ---

• The greatest and least magnitude of the resultant of two forces of constant magnitude are F and G. When the forces act an angle $2\alpha$, the resultant in magnitudes is equal to

  ---

• A rough inclined plane has its angle of inclination equal to ${{45}^{o}}$ and $\mu =0.5$ .The magnitude of the least force in kg wt, parallel to the plane required to move a body of 4kg up the plane is

  ---