Exerccio 1,10:P=M.GP=10.10=20NB) P=M.GP=0,05.10P=0,50NC) P=M.GP=0,045,10P=0,45N

Exerccio 1,14:1SLUG=14,5 kg40 = XX=580 kg

Exerccio 1,15:1SLUG=14,5kg1,94 = XX=28,1 MExerccio 1,17:A) 20MN=0,02NM=0,02/10=0,002 kgB) 150KN = 150000NM=150000/10 = 15000 kgC) 60MN = 0,06NM=0,06/10=0,6kg

Exerccio 1,5:55MILH=88,5 km/h88500/60=14,7/60=0,24 m/s

Exerccio 1,6:A) (436KG)=184,9tB) 0,000004 mgC) 12,2 = 12167 km

Exerccio 1,7:MASSA=3648,(10)Peso=M.GP=0,3m.5,3=1,50

P=3648(10).1,59m/sPeso=5800,32(10)=5800,32t

Exerccio 3,3:300cos+450cos20-F1cos=0300.0,385+422,862-F1cos=0F1cos=538,362300sen-450sen20-F1sen=0300.0,923-153,909-F1sen=0F1sen=122,991 F1=552,232N=12,869

Exerccio 3.5:

F2cos30+F1cos60-5cos30-7sen=0F2cos30+F1cos60-4,33-7,08=0F2.0,87+F1.0,5=9,930,87(3,4+1,74F1)+0,5F1=9,932,96+1,51F1+0,5F1=9,932,01F1=9,93-2,96F1=6,97/2,01=3,47kn

F2sen30+5sen30-F1sen60-7cos=0F2sen30+2,5-F1sen60-7.0,6=0F2sen30-F1sen60=1,7F2.0,5-F1.0,87=1,7F2.0,5=1,7+0,87F1F2=(1,7+0,87F1)/0,5 = F2=3,4+1,74F1

F2=3,4+1,74.3,47F2=9,44 kn

Exerccio 3.43Fx=0 -F1.cos30-F2.0,28-8,5.sen15+F3=0-5,6.0,87-8,55.0,28-8,5.0,26+F3=0-4,87-2,4-2,21+F3=0F3=9,48kn

Fy=0 8,5cos15-F2.0,96=0F2=8,5cos15/0,96F2=8,55kn

Fz=0 -2,8+F1sen30=0F1=2,8+F1sen30=0F1=2,8/sen30F1=5,6kn