Application of Statics

Which support has moment capacity?

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Answer explanation

Fixed support can resist vertical and horizontal forces as well as moment.

If the force applied is perpendicular to the handle of the spanner as shown in the diagram. As per right hand rule what is the direction of the torque?

• In to the screen

• Out of the screen

• To the left of the screen

• To the right of the screen

Answer explanation

Curl the fingers of your right hand in the direction of the force vector 2.5N, and your thumb will give the direction of torque.

(True or false) In the diagram, the type of rotation caused by the torque is clockwise.

• True

• False

When the body is in equilibrium it experience...

• no linear acceleration

• no angular angular acceleration

• sum of forces and moment must be equal to zero

• net external force is zero, net external torque acting on body is positive.

(True or false) The structure in the diagram has 3 unknowns. These unknowns can be solved using only statics equilibrium equations.

• True

• False

When a beam loaded as shown in the diagram, what happen to the lower fibre of the beam?

• twist

• squeeze

• stretch

• break