Question

me respondam pffffffff

Answer 1

Resposta:

a) fr=f1+f2

fr=16+12

fr=28 newton

b) fr=f1-f2

fr=16-12

fr=4 newton

c) fr= raiz sinal de raiz quadrada (f1²+f2²)

fr=raiz de novo (16²)+(12)²

fr=bota raiz de novo 256+144

fr=raiz quadrada novamente 400

fr=20 newton