Four co-planar forces of magnitudes 10N, 17N, 6N and 20N ...
Four co-planar forces of magnitudes 10N, 17N, 6N and 20N act at point O as shown in the above diagram. Determine the magnitude of the resultant force
53.0N
21.0N
7.0N
5.0N
Correct answer is D
Vertical resultant = 10 - 6 = 4N
Horizontal resultant = 20 - 17 = 3N
R = √32+42
= 5N
Which of the following statements is not true? ...
Which of the following is a type of incandescent light source? ...
What flows to the positively charged conductor by connecting it to the earth? ...
Aluminium is sometimes used as the leaf of an electroscope because it ...
Which of the following statements is not an advantage of an alkaline accumulator? ...
A moving-coil meter with an internal resistance of 100Ω has a full-scale deflection when a cur...