160. K=100 kN/m = 100000N/m
L=1mm=0,001m
F=?
F=k*l= 100000*0,001= 100N
161. m=200g = 0,2kg
K=0,5 kN/m = 500N/m
L=?
L=F/k= mg/k = 0,2*10/500 = 0,004m = 4mm
162. F1 = 4,35 kN = 4350 N/m
l1 = 230 mm= 0,23m
F2 = 4,4 kN = 4400 N
l2 = 273 mm = 0,273 m
k1=k2=?
k=F/l
k1=4350/0,23= 20 kN/m
k2=4400/0,273=16 kN/m
163. k1=100N/m
l1=5sm = 0,05m
l2 = 1sm = 0,01m
k2=?
F1=F2
F=k*l
k1*l1=k2*l2
100*0,05=0,01*k2
k2= 500N/m