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A force of 5 units acts on a particle in the direction to th...

A force of 5 units acts on a particle in the direction to the east and another force of 4 units acts on the particle in the direction north-east. The resultants of the two forces is

A.

3 units

B.

3 units

C.

41+202 units

D.

41202 units

Correct answer is C

Force to the east = 5 units

force to the North - east = 4 units.

Resultant of the two forces is the square root

52 + 42 = 41 and plus the sum of its resistance

5 x 42 = 202

= 41+202 units