statics

Related Questions

• The minimum force required to move a body of weight W placed on a rough horizontal plane surface is

  ---

• Force forming a couple are of magnitude 12N each and the arm of the couple is 8m. The force of an equivalent couple whose arm is 6m is of magnitude

  ---

• If forces of magnitude P, Q and R act at a point parallel to the sides BC, CA and AB respectively of a $\Delta ABC$, then the magnitude of their resultant is

  ---

• Three like parallel forces P,Q, R act at the corners A,B,C of a $\Delta ABC$. If their resultant passes through the incentre of $\Delta ABC$, then

  ---

• A uniform beam of length 2a rests in equilibrium against a smooth vertical plane and over a smooth peg at a distance h from the plane. If $\theta$ be the inclination of the beam to the vertical, then $\sin 3\theta$ is

  ---