Q.

If a number of forces are acting at a point, their resultant is given by

• A(∑V)2 + (∑H)2
• B√[(∑V)2 + (∑H)2]
• C(∑V)2 +(∑H)2 +2(∑V)(∑H)
• D√[(∑V)2 +(∑H)2 +2(∑V)(∑H)]