I need to verify these three work relations and don't know where to even start.
Wtotal= ΔK, Wc= -ΔU and Wnc = ΔE
The details for the whole problem were A block of mass m1 = 2.40 kg is connected to a second block of mass m2 = 1.80 kg, as shown in the figure. The two masses start from rest...