For determination of the equilibrium state in the free body diagram the basic way of getting the direction of the moment caused by the force is:

• A. The use of left hand rule with thumb giving the direction of the moment
• B. The use of right hand rule with thumb giving the direction of the moment
• C. The use of right hand rule with forefinger giving the direction of the moment
• D. The use of left hand rule with forefinger giving the direction of the moment