Question
Question: Following sets of three forces act on a body. Whose resultant cannot be zero ?...
Following sets of three forces act on a body. Whose resultant cannot be zero ?
A
10 , 10, 10
B
10, 10, 20
C
10, 20, 20
D
10, 20, 40
Answer
10, 20, 40
Explanation
Solution
Resultant can be zero if
|F1 –F2| F3 F1 + F2