'1)
m_Auto=1.5t
h_Hartberg=350m
h_Vorau=660m

Δh=h_Vorau-h_Hartberg
g=9.81m/s^2

F_gAuto=m_Auto*g|N
W_H=F_gAuto*Δh|J

'2)
m_Kiste=10kg
h=4m
g=9.81m/s^2

F=m_Kiste*g
W_H=F*h|J

'3)
m_Last=500kg
h=10m
g=9.81m/s^2

F=m_Last*g
W_H=F*h|J

'4)
m_Auto=1200kg
v=20 m/s

W_B=1/2*m_Auto*v^2|J

'5)
Δx=0.5m
k=200 N/m

W_V=1/2*k*Δx^2|J

'6)
F_R=15N
s_Ebene=5m

W_R=F_R*s_Ebene|J

'7) 
m_Fass=200kg
h=3m
g=9.81m/s^2

F_gFass=m_Fass*g
W_H=F_gFass*h|J

'8)
m_Fahrrad=90kg
v_Fahrrad=10m/s

W_B=1/2*m_Fahrrad*v_Fahrrad^2|J

'9
k_Feder=150N/m
Δx_Feder=30 cm

W_V=1/2*k_Feder*Δx_Feder^2|J