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Próxima aula sobre esse assunto: th-cam.com/video/NHWty0wPM-c/w-d-xo.html
Professor, na questão 15 a resposta seria 30N?
Ma+Mb= 10 F=m•a50= 10•aa= 50/10a= 5 m/s²Fab= m•aFba= 6•5Fba= 30N
Próxima aula sobre esse assunto: th-cam.com/video/NHWty0wPM-c/w-d-xo.html
Professor, na questão 15 a resposta seria 30N?
Ma+Mb= 10
F=m•a
50= 10•a
a= 50/10
a= 5 m/s²
Fab= m•a
Fba= 6•5
Fba= 30N