When a bird walks or hops it moves forward
inertia
forward friction on the tyres from the road..
Thrust is the forward movement of an airplane that is provided by the engines. The thrust causes air to move over and under the wings and allows the plane to fly.
When a horse pulls a wagon, the force that causes the horse to move forward is the force of traction generated by the hooves gripping the ground. This force propels the horse and wagon forward by overcoming the friction between the hooves and the ground.
Your gear linkage is offset!! Or you are on a steep down hill
Small forward
thrust
The first propellants were used for engines. Propellants help the aircraft move forward. Moving forward at high speeds causes lift around wings.
A vehicle moves forward when in drive due to the transmission transferring power from the engine to the wheels. Possible causes for a vehicle not moving forward in drive could include low transmission fluid, a faulty transmission solenoid, a defective torque converter, or a worn-out clutch (for manual transmissions).
A bookperson. Time doesn't move forward. Time is. People move forward or regress. Bookpeople learn, grow and always move forward.
A mouse bird
the engine does run chances are that the speedometer cable is broken or the gear in the transmission is striped