i need to know then why the same potential energy which is defined in a strict way will try to minimize its value by pulling the vehicle dowwards.
i am really stuck.
Well then i would like to introduce the case for a vehicle (4-wheels, drive on rear wheel only) to climb a slope.
Will the torque required at the wheels at (i) base of slope
(ii) a certain height on the slope, will be the same to sustain the vehicle at that exact location or it will be...