calculati F pt un scripet stiind ca R = 3 × 10 la puterea a 7 N

Răspuns :

Scripetele fix
F=R=3*10000000=30000000N

Scripetele mobil
F=[tex] \frac{R}{2} [/tex]=[tex] \frac{30000000}{2} [/tex]=15000000N