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JAMB - Physics (2013 - No. 2)
The resultant of two forces is 50N. If the forces are perpendicular to each other and one of them makes an angle 0f 30
o
with the resultant, find its magnitude.
100.0N
57.7N
43.3N
25.0N
解释
F = 50Cos30
o
= 43.3
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