1) M= Fd = 6×0.7 = 4.2 н×м
2) d= M/F= 20/5 = 4 м
3) F= mg >>> F2= 120×10=1200 H
F1/F2= d2/d1>>> 1200/F1= 0.8/2.4 >>> F1= 3600 H
1) M= Fd = 6×0.7 = 4.2 н×м
2) d= M/F= 20/5 = 4 м
3) F= mg >>> F2= 120×10=1200 H
F1/F2= d2/d1>>> 1200/F1= 0.8/2.4 >>> F1= 3600 H