Respuesta:
e)5u
Explicación:
£Fx=2u×cos0+3u×cos180°+5u×cos360°
£Fx=2-3+5=4
£Fy=3×sen90°+4×sen90°+4×sen270°
£Fy=3+4-4=3
R=√Fx²+Fy²
R=√(4)²+(3)²
R=√16+9
R=√25
R=5u
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Respuesta:
e)5u
Explicación:
£Fx=2u×cos0+3u×cos180°+5u×cos360°
£Fx=2-3+5=4
£Fy=3×sen90°+4×sen90°+4×sen270°
£Fy=3+4-4=3
R=√Fx²+Fy²
R=√(4)²+(3)²
R=√16+9
R=√25
R=5u